(3x+12)+(x+20)=180

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Solution for (3x+12)+(x+20)=180 equation: 



(3x+12)+(x+20)=180

We move all terms to the left:

(3x+12)+(x+20)-(180)=0

We get rid of parentheses

3x+x+12+20-180=0

We add all the numbers together, and all the variables

4x-148=0

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

4x=148

x=148/4

x=37

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