3x+(x+10)+(2x-40)=180

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Solution for 3x+(x+10)+(2x-40)=180 equation: 



3x+(x+10)+(2x-40)=180

We move all terms to the left:

3x+(x+10)+(2x-40)-(180)=0

We get rid of parentheses

3x+x+2x+10-40-180=0

We add all the numbers together, and all the variables

6x-210=0

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

6x=210

x=210/6

x=35

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