-83=7x+2x-2

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Solution for -83=7x+2x-2 equation: 



-83=7x+2x-2

We move all terms to the left:

-83-(7x+2x-2)=0

We add all the numbers together, and all the variables

-(9x-2)-83=0

We get rid of parentheses

-9x+2-83=0

We add all the numbers together, and all the variables

-9x-81=0

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

-9x=81

x=81/-9

x=-9

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