13+7b-4b=-8b-2b

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Solution for 13+7b-4b=-8b-2b equation: 



13+7b-4b=-8b-2b

We move all terms to the left:

13+7b-4b-(-8b-2b)=0

We add all the numbers together, and all the variables

7b-4b-(-10b)+13=0

We add all the numbers together, and all the variables

3b-(-10b)+13=0

We get rid of parentheses

3b+10b+13=0

We add all the numbers together, and all the variables

13b+13=0

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

13b=-13

b=-13/13

b=-1

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