-12.9b+12.04=-12.96-15-15.4b

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Solution for -12.9b+12.04=-12.96-15-15.4b equation: 



-12.9b+12.04=-12.96-15-15.4b

We move all terms to the left:

-12.9b+12.04-(-12.96-15-15.4b)=0

We add all the numbers together, and all the variables

-12.9b-(-15.4b-27.96)+12.04=0

We get rid of parentheses

-12.9b+15.4b+27.96+12.04=0

We add all the numbers together, and all the variables

2.5b+40=0

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

2.5b=-40

b=-40/2.5

b=-16

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