-3+9=81+6x

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Solution for -3+9=81+6x equation: 



-3+9=81+6x

We move all terms to the left:

-3+9-(81+6x)=0

We add all the numbers together, and all the variables

-(6x+81)-3+9=0

We add all the numbers together, and all the variables

-(6x+81)+6=0

We get rid of parentheses

-6x-81+6=0

We add all the numbers together, and all the variables

-6x-75=0

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

-6x=75

x=75/-6

x=-12+1/2

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