Answer:
x=40
Step-by-step explanation:
4x-20+x=180
5x-20=180
5x=200
x=200/5
40
Step 1:
4x - 20 + x = 180
Step 2:
5x - 20 = 180
Step 3:
5x = 180 + 20
Step 4:
5x = 200
x = 40
Hope This Helps :)
