-7b+7+5b=3b+12

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Solution for -7b+7+5b=3b+12 equation: 



-7b+7+5b=3b+12

We move all terms to the left:

-7b+7+5b-(3b+12)=0

We add all the numbers together, and all the variables

-2b-(3b+12)+7=0

We get rid of parentheses

-2b-3b-12+7=0

We add all the numbers together, and all the variables

-5b-5=0

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

-5b=5

b=5/-5

b=-1

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