180-31=(x-15)+x

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Solution for 180-31=(x-15)+x equation: 



180-31=(x-15)+x

We move all terms to the left:

180-31-((x-15)+x)=0

We add all the numbers together, and all the variables

-((x-15)+x)+149=0



We calculate terms in parentheses: -((x-15)+x), so:

(x-15)+x

We add all the numbers together, and all the variables

x+(x-15)

We get rid of parentheses

x+x-15

We add all the numbers together, and all the variables

2x-15

Back to the equation:

-(2x-15)



We get rid of parentheses

-2x+15+149=0

We add all the numbers together, and all the variables

-2x+164=0

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

-2x=-164

x=-164/-2

x=+82

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