# Precalculus Examples

,

Since does not contain the variable to solve for, move it to the right side of the equation by adding to both sides.

Divide each term in by .

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Divide by to get .

Divide by to get .

Find slope of the equation in terms of using the slope intercept form.

Set the known value of equal to the slope of the equation in terms of .

Rewrite the equation as .

Multiply both sides of the equation by .

Simplify the right side.

Multiply by to get .

Multiply by to get .