7-8b=-4b-5b

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Solution for 7-8b=-4b-5b equation: 



7-8b=-4b-5b

We move all terms to the left:

7-8b-(-4b-5b)=0

We add all the numbers together, and all the variables

-8b-(-9b)+7=0

We get rid of parentheses

-8b+9b+7=0

We add all the numbers together, and all the variables

b+7=0

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

b=-7

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