7b+7.5-8b=29.5

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Solution for 7b+7.5-8b=29.5 equation: 



7b+7.5-8b=29.5

We move all terms to the left:

7b+7.5-8b-(29.5)=0

We add all the numbers together, and all the variables

-1b-22=0

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

-b=22

b=22/-1

b=-22

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