IDNLearn.com: Your trusted platform for finding reliable answers. Explore thousands of verified answers from experts and find the solutions you need, no matter the topic.
135° and (2x+15)° are corresponding angles.
If lines m and n are parallel, both angles are equal.
So:
135 = 2x+15
Solve for x:
135-15 = 2x
120 = 2x
Divide both sides by 2:
120/2 = 2x/2
60 = x