2b+8=-7-3b

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Solution for 2b+8=-7-3b equation: 



2b+8=-7-3b

We move all terms to the left:

2b+8-(-7-3b)=0

We add all the numbers together, and all the variables

2b-(-3b-7)+8=0

We get rid of parentheses

2b+3b+7+8=0

We add all the numbers together, and all the variables

5b+15=0

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

5b=-15

b=-15/5

b=-3

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