-255-5x=7x+81

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Solution for -255-5x=7x+81 equation: 



-255-5x=7x+81

We move all terms to the left:

-255-5x-(7x+81)=0

We get rid of parentheses

-5x-7x-81-255=0

We add all the numbers together, and all the variables

-12x-336=0

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

-12x=336

x=336/-12

x=-28

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