91=1/2(7)(12+b

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Solution for 91=1/2(7)(12+b equation: 



91=1/2(7)(12+b

We move all terms to the left:

91-(1/2(7)(12+b)=0



Domain of the equation: 27(12+b)+91!=0

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

27(12+b)!=-91

b∈R



We add all the numbers together, and all the variables

-(1/27(b+12)+91=0

We multiply all the terms by the denominator


-(1=0

We add all the numbers together, and all the variables

=0

b=0/1

b=0

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