Question

Two angles are supplementary. One angle is 5x° and the other angle is 3x + 20°

What is the value of x?

Supplementary angles add up to 180 degrees

Answer 1

x = 20

Explanation:

They add up to 180 degrees.

5x + 3x + 20 = 180

8x= 160

x = 20

Hope this helps.