(x+7)+(3x-21)=180

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Solution for (x+7)+(3x-21)=180 equation: 



(x+7)+(3x-21)=180

We move all terms to the left:

(x+7)+(3x-21)-(180)=0

We get rid of parentheses

x+3x+7-21-180=0

We add all the numbers together, and all the variables

4x-194=0

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

4x=194

x=194/4

x=48+1/2

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