180=x+x+42

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Solution for 180=x+x+42 equation: 



180=x+x+42

We move all terms to the left:

180-(x+x+42)=0

We add all the numbers together, and all the variables

-(2x+42)+180=0

We get rid of parentheses

-2x-42+180=0

We add all the numbers together, and all the variables

-2x+138=0

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

-2x=-138

x=-138/-2

x=+69

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