3=12/b

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Solution for 3=12/b equation: 



3=12/b

We move all terms to the left:

3-(12/b)=0



Domain of the equation: b)!=0

b!=0/1

b!=0

b∈R



We add all the numbers together, and all the variables

-(+12/b)+3=0

We get rid of parentheses

-12/b+3=0

We multiply all the terms by the denominator


3*b-12=0

We add all the numbers together, and all the variables

3b-12=0

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

3b=12

b=12/3

b=4

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