(3x-7)+55+(x+20)=180

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Solution for (3x-7)+55+(x+20)=180 equation: 



(3x-7)+55+(x+20)=180

We move all terms to the left:

(3x-7)+55+(x+20)-(180)=0

We add all the numbers together, and all the variables

(3x-7)+(x+20)-125=0

We get rid of parentheses

3x+x-7+20-125=0

We add all the numbers together, and all the variables

4x-112=0

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

4x=112

x=112/4

x=28

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