21-(2x+15)=x+27

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Solution for 21-(2x+15)=x+27 equation: 



21-(2x+15)=x+27

We move all terms to the left:

21-(2x+15)-(x+27)=0

We get rid of parentheses

-2x-x-15-27+21=0

We add all the numbers together, and all the variables

-3x-21=0

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

-3x=21

x=21/-3

x=-7

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