Pre-Algebra Examples

, , ,
Solve for in the first equation.
Replace all occurrences of in with
Solve for in the second equation.
Replace all occurrences of in with
Solve for in the third equation.
This is the solution to the system of equations.
Replace the variable with in the expression.
Replace the variable with in the expression.
Replace the variable with in the expression.
Remove parentheses.
Simplify each term.
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Multiply by .
Multiply by .
Simplify by adding numbers.
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Add and .
Add and .
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