Answer:
Step-by-step 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
3x+13+x-8+x = 180
5x+5 = 180
5(x+1) = 180
x+1 = 36
x = 35
