-3b+6=15

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Solution for -3b+6=15 equation: 



-3b+6=15

We move all terms to the left:

-3b+6-(15)=0

We add all the numbers together, and all the variables

-3b-9=0

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

-3b=9

b=9/-3

b=-3

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