-9x+9=81

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Solution for -9x+9=81 equation: 



-9x+9=81

We move all terms to the left:

-9x+9-(81)=0

We add all the numbers together, and all the variables

-9x-72=0

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

-9x=72

x=72/-9

x=-8

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