Question

Find an equation and solve for x

Answer 1

x = 20

Explanation:

`3x + 20 + 5x = 180 \\ 8x + 20 = 180 \\ 8x = 180 - 20 \\ 8x = 160 \\ \\ x = (160)/(8) \\ \\ x = 20`

I hope I helped you^_^

Answer 2

x = 20

Explanation:

(3x + 20°) + 5x = 180°

8x + 20 = 180°

8x = 160°

x = 160/8

x = 20