3x-(4x-20)+(2x+20)=180

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Solution for 3x-(4x-20)+(2x+20)=180 equation: 



3x-(4x-20)+(2x+20)=180

We move all terms to the left:

3x-(4x-20)+(2x+20)-(180)=0

We get rid of parentheses

3x-4x+2x+20+20-180=0

We add all the numbers together, and all the variables

x-140=0

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

x=140

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