(x-7)+(2x-21)+(x)=180

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Solution for (x-7)+(2x-21)+(x)=180 equation: 



(x-7)+(2x-21)+(x)=180

We move all terms to the left:

(x-7)+(2x-21)+(x)-(180)=0

We add all the numbers together, and all the variables

x+(x-7)+(2x-21)-180=0

We get rid of parentheses

x+x+2x-7-21-180=0

We add all the numbers together, and all the variables

4x-208=0

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

4x=208

x=208/4

x=52

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