Question

Please help and give step by step explanation thank you

Answer 1

x = 40

Explanation:

(3x + 5) + (x + 15) = 180

3x + 5 + x + 15 = 180

4x + 20 = 180

-20 -20

4x = 160

÷4 ÷4

x = 40

I hope this helps!