2b-8=5b+7

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Solution for 2b-8=5b+7 equation: 



2b-8=5b+7

We move all terms to the left:

2b-8-(5b+7)=0

We get rid of parentheses

2b-5b-7-8=0

We add all the numbers together, and all the variables

-3b-15=0

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

-3b=15

b=15/-3

b=-5

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