-1+8b=-81

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Solution for -1+8b=-81 equation: 



-1+8b=-81

We move all terms to the left:

-1+8b-(-81)=0

We add all the numbers together, and all the variables

8b+80=0

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

8b=-80

b=-80/8

b=-10

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