-4+9b=77

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Solution for -4+9b=77 equation: 



-4+9b=77

We move all terms to the left:

-4+9b-(77)=0

We add all the numbers together, and all the variables

9b-81=0

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

9b=81

b=81/9

b=9

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