84/b=7

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Solution for 84/b=7 equation: 



84/b=7

We move all terms to the left:

84/b-(7)=0



Domain of the equation: b!=0

b∈R



We multiply all the terms by the denominator


-7*b+84=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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