-9+8x=-81

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Solution for -9+8x=-81 equation: 



-9+8x=-81

We move all terms to the left:

-9+8x-(-81)=0

We add all the numbers together, and all the variables

8x+72=0

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

8x=-72

x=-72/8

x=-9

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