3(x+20)-2(-x+20)=-20

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Solution for 3(x+20)-2(-x+20)=-20 equation: 



3(x+20)-2(-x+20)=-20

We move all terms to the left:

3(x+20)-2(-x+20)-(-20)=0

We add all the numbers together, and all the variables

3(x+20)-2(-1x+20)-(-20)=0

We add all the numbers together, and all the variables

3(x+20)-2(-1x+20)+20=0

We multiply parentheses

3x+2x+60-40+20=0

We add all the numbers together, and all the variables

5x+40=0

We move all terms containing x to the left, all other terms to the right

5x=-40

x=-40/5

x=-8

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