b/13-3b/13=4/13

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Solution for b/13-3b/13=4/13 equation: 



b/13-3b/13=4/13

We move all terms to the left:

b/13-3b/13-(4/13)=0

We add all the numbers together, and all the variables

b/13-3b/13-(+4/13)=0

We get rid of parentheses

b/13-3b/13-4/13=0

We multiply all the terms by the denominator


b-3b-4=0

We add all the numbers together, and all the variables

-2b-4=0

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

-2b=4

b=4/-2

b=-2

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