Question

What is the value of x? im stuck on this question

Answer 1

Angles (2x + 20)° and (3x + 10)° are supplementary, that is,

(2x + 20) + (3x + 10) = 180

(2x + 3x) + (20 + 10) = 180

5x + 30 = 180

5x = 180 - 30

x = 150/5

x = 30