3-7b=15-13b=

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Solution for 3-7b=15-13b= equation: 



3-7b=15-13b=

We move all terms to the left:

3-7b-(15-13b)=0

We add all the numbers together, and all the variables

-7b-(-13b+15)+3=0

We get rid of parentheses

-7b+13b-15+3=0

We add all the numbers together, and all the variables

6b-12=0

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

6b=12

b=12/6

b=2

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