7b+8=-7+4b

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Solution for 7b+8=-7+4b equation: 



7b+8=-7+4b

We move all terms to the left:

7b+8-(-7+4b)=0

We add all the numbers together, and all the variables

7b-(4b-7)+8=0

We get rid of parentheses

7b-4b+7+8=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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