-2b+7b=-15

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Solution for -2b+7b=-15 equation: 



-2b+7b=-15

We move all terms to the left:

-2b+7b-(-15)=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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