-4b=15-7b

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Solution for -4b=15-7b equation: 



-4b=15-7b

We move all terms to the left:

-4b-(15-7b)=0

We add all the numbers together, and all the variables

-4b-(-7b+15)=0

We get rid of parentheses

-4b+7b-15=0

We add all the numbers together, and all the variables

3b-15=0

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

3b=15

b=15/3

b=5

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