Question

(3x+13)+(x-8)+(x)=180

Answer 1

3x+13+x-8+x = 180

5x+5 = 180

5(x+1) = 180

x+1 = 36

x = 35

Answer 2

Explanation:

3x+13+x-8+x=180

collect like terms

3x+x+x=180-13+8

5x=175

divide both side by 5

x=35