3x+(x+42)=180

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Solution for 3x+(x+42)=180 equation: 



3x+(x+42)=180

We move all terms to the left:

3x+(x+42)-(180)=0

We get rid of parentheses

3x+x+42-180=0

We add all the numbers together, and all the variables

4x-138=0

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

4x=138

x=138/4

x=34+1/2

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