180-x=(2x+21)

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Solution for 180-x=(2x+21) equation: 



180-x=(2x+21)

We move all terms to the left:

180-x-((2x+21))=0

We add all the numbers together, and all the variables

-1x-((2x+21))+180=0



We calculate terms in parentheses: -((2x+21)), so:

(2x+21)

We get rid of parentheses

2x+21

Back to the equation:

-(2x+21)



We get rid of parentheses

-1x-2x-21+180=0

We add all the numbers together, and all the variables

-3x+159=0

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

-3x=-159

x=-159/-3

x=+53

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