3b+12=5b-2

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Solution for 3b+12=5b-2 equation: 



3b+12=5b-2

We move all terms to the left:

3b+12-(5b-2)=0

We get rid of parentheses

3b-5b+2+12=0

We add all the numbers together, and all the variables

-2b+14=0

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

-2b=-14

b=-14/-2

b=+7

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