you don't have to give me an answer, I just need an explanation on how to work these problems. I will give brainliest whether you answer, or just tell me how to work it.

Answer:
Recieved in previous question on User's account
Step-by-step explanation:
X=20
Explanation:
180=80+3x+2x
Combine like terms
180=80+5x
get x on one side
180=80+5x
-80 -80
100=5x
Divide both sides by 5
100=5x
5 5
20=x
Switch around
x=20