b+7=2b+8

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



b+7=2b+8

We move all terms to the left:

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

We get rid of parentheses

b-2b-8+7=0

We add all the numbers together, and all the variables

-1b-1=0

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

-b=1

b=1/-1

b=-1

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