Precalculus Examples

Solve in Terms of the Arbitrary Variable A 8kNB+(2kN)(1.4m)=0 , (18kN)A+(-38kN)B=0
,
Step 1
Solve the equation for .
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Step 1.1
Rewrite using the commutative property of multiplication.
Step 1.2
Subtract from both sides of the equation.
Step 1.3
Divide each term in by and simplify.
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Step 1.3.1
Divide each term in by .
Step 1.3.2
Simplify the left side.
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Step 1.3.2.1
Cancel the common factor of .
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Step 1.3.2.1.1
Cancel the common factor.
Step 1.3.2.1.2
Divide by .
Step 1.3.3
Simplify the right side.
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Step 1.3.3.1
Move the negative in front of the fraction.
Step 1.4
Simplify .
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Step 1.4.1
Multiply by .
Step 1.4.2
Rewrite the expression.
Step 2
Solve the equation for .
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Step 2.1
Subtract from both sides of the equation.
Step 2.2
Divide each term in by and simplify.
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Step 2.2.1
Divide each term in by .
Step 2.2.2
Simplify the left side.
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Step 2.2.2.1
Cancel the common factor of .
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Step 2.2.2.1.1
Cancel the common factor.
Step 2.2.2.1.2
Divide by .
Step 2.2.3
Simplify the right side.
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Step 2.2.3.1
Move the negative in front of the fraction.
Step 2.3
Simplify .
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Step 2.3.1
Move the negative in front of the fraction.
Step 2.3.2
Combine fractions.
Step 3
Solve the equation for .
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Step 3.1
Rewrite using the commutative property of multiplication.
Step 3.2
Subtract from both sides of the equation.
Step 3.3
Divide each term in by and simplify.
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Step 3.3.1
Divide each term in by .
Step 3.3.2
Simplify the left side.
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Step 3.3.2.1
Cancel the common factor of .
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Step 3.3.2.1.1
Cancel the common factor.
Step 3.3.2.1.2
Divide by .
Step 3.3.3
Simplify the right side.
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Step 3.3.3.1
Move the negative in front of the fraction.
Step 3.4
Simplify .
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Step 3.4.1
Multiply by .
Step 3.4.2
Rewrite the expression.
Step 4
Solve the equation for .
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Step 4.1
Subtract from both sides of the equation.
Step 4.2
Divide each term in by and simplify.
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Step 4.2.1
Divide each term in by .
Step 4.2.2
Simplify the left side.
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Step 4.2.2.1
Cancel the common factor of .
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Step 4.2.2.1.1
Cancel the common factor.
Step 4.2.2.1.2
Divide by .
Step 4.2.3
Simplify the right side.
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Step 4.2.3.1
Move the negative in front of the fraction.
Step 4.3
Simplify .
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Step 4.3.1
Move the negative in front of the fraction.
Step 4.3.2
Combine fractions.
Step 5
Solve the equation for .
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Step 5.1
Rewrite using the commutative property of multiplication.
Step 5.2
Subtract from both sides of the equation.
Step 5.3
Divide each term in by and simplify.
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Step 5.3.1
Divide each term in by .
Step 5.3.2
Simplify the left side.
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Step 5.3.2.1
Cancel the common factor of .
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Step 5.3.2.1.1
Cancel the common factor.
Step 5.3.2.1.2
Divide by .
Step 5.3.3
Simplify the right side.
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Step 5.3.3.1
Move the negative in front of the fraction.
Step 5.4
Simplify .
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Step 5.4.1
Multiply by .
Step 5.4.2
Rewrite the expression.
Step 6
Solve the equation for .
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Step 6.1
Subtract from both sides of the equation.
Step 6.2
Divide each term in by and simplify.
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Step 6.2.1
Divide each term in by .
Step 6.2.2
Simplify the left side.
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Step 6.2.2.1
Cancel the common factor of .
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Step 6.2.2.1.1
Cancel the common factor.
Step 6.2.2.1.2
Divide by .
Step 6.2.3
Simplify the right side.
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Step 6.2.3.1
Move the negative in front of the fraction.
Step 6.3
Simplify .
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Step 6.3.1
Move the negative in front of the fraction.
Step 6.3.2
Combine fractions.
Step 7
Solve the equation for .
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Step 7.1
Rewrite using the commutative property of multiplication.
Step 7.2
Subtract from both sides of the equation.
Step 7.3
Divide each term in by and simplify.
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Step 7.3.1
Divide each term in by .
Step 7.3.2
Simplify the left side.
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Step 7.3.2.1
Cancel the common factor of .
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Step 7.3.2.1.1
Cancel the common factor.
Step 7.3.2.1.2
Divide by .
Step 7.3.3
Simplify the right side.
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Step 7.3.3.1
Move the negative in front of the fraction.
Step 7.4
Simplify .
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Step 7.4.1
Multiply by .
Step 7.4.2
Rewrite the expression.
Step 8
Solve the equation for .
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Step 8.1
Subtract from both sides of the equation.
Step 8.2
Divide each term in by and simplify.
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Step 8.2.1
Divide each term in by .
Step 8.2.2
Simplify the left side.
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Step 8.2.2.1
Cancel the common factor of .
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Step 8.2.2.1.1
Cancel the common factor.
Step 8.2.2.1.2
Divide by .
Step 8.2.3
Simplify the right side.
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Step 8.2.3.1
Move the negative in front of the fraction.
Step 8.3
Simplify .
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Step 8.3.1
Move the negative in front of the fraction.
Step 8.3.2
Combine fractions.
Step 9
Solve the equation for .
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Step 9.1
Rewrite using the commutative property of multiplication.
Step 9.2
Subtract from both sides of the equation.
Step 9.3
Divide each term in by and simplify.
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Step 9.3.1
Divide each term in by .
Step 9.3.2
Simplify the left side.
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Step 9.3.2.1
Cancel the common factor of .
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Step 9.3.2.1.1
Cancel the common factor.
Step 9.3.2.1.2
Divide by .
Step 9.3.3
Simplify the right side.
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Step 9.3.3.1
Move the negative in front of the fraction.
Step 9.4
Simplify .
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Step 9.4.1
Multiply by .
Step 9.4.2
Rewrite the expression.
Step 10
Solve the equation for .
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Step 10.1
Subtract from both sides of the equation.
Step 10.2
Divide each term in by and simplify.
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Step 10.2.1
Divide each term in by .
Step 10.2.2
Simplify the left side.
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Step 10.2.2.1
Cancel the common factor of .
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Step 10.2.2.1.1
Cancel the common factor.
Step 10.2.2.1.2
Divide by .
Step 10.2.3
Simplify the right side.
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Step 10.2.3.1
Move the negative in front of the fraction.
Step 10.3
Simplify .
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Step 10.3.1
Cancel the common factor of and .
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Step 10.3.1.1
Factor out of .
Step 10.3.1.2
Cancel the common factors.
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Step 10.3.1.2.1
Factor out of .
Step 10.3.1.2.2
Cancel the common factor.
Step 10.3.1.2.3
Rewrite the expression.
Step 10.3.2
Cancel .
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Step 10.3.2.1
Cancel .
Step 10.3.2.2
Rewrite the expression.
Step 10.3.3
Move the negative in front of the fraction.
Step 10.3.4
Multiply .
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Step 10.3.4.1
Multiply by .
Step 10.3.4.2
Multiply by .
Step 11
Solve the equation for .
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Step 11.1
Simplify each term.
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Step 11.1.1
Combine and .
Step 11.1.2
Move to the left of .
Step 11.1.3
Rewrite using the commutative property of multiplication.
Step 11.2
Subtract from both sides of the equation.
Step 11.3
Divide each term in by and simplify.
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Step 11.3.1
Divide each term in by .
Step 11.3.2
Simplify the left side.
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Step 11.3.2.1
Cancel the common factor of .
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Step 11.3.2.1.1
Cancel the common factor.
Step 11.3.2.1.2
Rewrite the expression.
Step 11.3.2.2
Cancel the common factor of .
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Step 11.3.2.2.1
Cancel the common factor.
Step 11.3.2.2.2
Divide by .
Step 11.3.3
Simplify the right side.
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Step 11.3.3.1
Multiply the numerator by the reciprocal of the denominator.
Step 11.3.3.2
Rewrite as .
Step 11.3.3.3
Factor out of .
Step 11.3.3.4
Separate fractions.
Step 11.3.3.5
Divide by .
Step 11.3.3.6
Combine and .
Step 11.3.3.7
Multiply .
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Step 11.3.3.7.1
Multiply by .
Step 11.3.3.7.2
Multiply by .
Step 11.3.3.8
Move to the left of .
Step 11.3.3.9
Factor out of .
Step 11.3.3.10
Factor out of .
Step 11.3.3.11
Separate fractions.
Step 11.3.3.12
Divide by .
Step 11.3.3.13
Combine and .
Step 11.4
Simplify .
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Step 11.4.1
Cancel the common factor of and .
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Step 11.4.1.1
Factor out of .
Step 11.4.1.2
Cancel the common factors.
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Step 11.4.1.2.1
Factor out of .
Step 11.4.1.2.2
Cancel the common factor.
Step 11.4.1.2.3
Rewrite the expression.
Step 11.4.2
Cancel .
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Step 11.4.2.1
Cancel .
Step 11.4.2.2
Divide by .
Step 11.4.3
Multiply by .
Step 11.4.4
Multiply by .