7b+3=-81

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Solution for 7b+3=-81 equation: 



7b+3=-81

We move all terms to the left:

7b+3-(-81)=0

We add all the numbers together, and all the variables

7b+84=0

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

7b=-84

b=-84/7

b=-12

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