The slope-intercept form is , where is the slope and is the y-intercept.

Simplify each term.

Combine and .

Move to the left of .

Rewrite in slope-intercept form.

Using the slope-intercept form, the slope is .

The equation of a perpendicular line to must have a slope that is the negative reciprocal of the original slope.

Cancel the common factor of and .

Rewrite as .

Move the negative in front of the fraction.

Multiply the numerator by the reciprocal of the denominator.

Multiply by .

Multiply .

Multiply by .

Multiply by .

Find the Slope of a Perpendicular Line y=-5/4x+5