2x+(3x-15)+(7x+15)=180

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Solution for 2x+(3x-15)+(7x+15)=180 equation: 



2x+(3x-15)+(7x+15)=180

We move all terms to the left:

2x+(3x-15)+(7x+15)-(180)=0

We get rid of parentheses

2x+3x+7x-15+15-180=0

We add all the numbers together, and all the variables

12x-180=0

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

12x=180

x=180/12

x=15

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