Question

PLEASE HELP!!!
Given a || b, m<3
5x + 10, and m<5 = 3x + 10, find the value of x

Answer 1

x = 20

Explanation:

angle m<3 + angle m<5 = 180° because these angles are supplementary

5x + 10 + 3x + 10 = 180° add like terms

8x + 20 = 180

8x = 160 divide both sides by 8

x = 20