4b+8=-b-7

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



4b+8=-b-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

4b-(-1b-7)+8=0

We get rid of parentheses

4b+1b+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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