2b-12+5b=-15

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Solution for 2b-12+5b=-15 equation: 



2b-12+5b=-15

We move all terms to the left:

2b-12+5b-(-15)=0

We add all the numbers together, and all the variables

7b+3=0

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

7b=-3

b=-3/7

b=-3/7

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