12+2b-6=15

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Solution for 12+2b-6=15 equation: 



12+2b-6=15

We move all terms to the left:

12+2b-6-(15)=0

We add all the numbers together, and all the variables

2b-9=0

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

2b=9

b=9/2

b=4+1/2

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