Precalculus Examples

,
Add the two equations together to eliminate from the system.
Divide each term by and simplify.
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Divide each term in by .
Reduce the expression by cancelling the common factors.
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Cancel the common factor.
Divide by .
Divide by .
Substitute the value found for into one of the original equations, then solve for .
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Substitute the value found for into one of the original equations to solve for .
Move all terms not containing to the right side of the equation.
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Subtract from both sides of the equation.
Subtract from .
The solution to the independent system of equations can be represented as a point.
The result can be shown in multiple forms.
Point Form:
Equation Form:
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