8b=7+9b

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Solution for 8b=7+9b equation: 



8b=7+9b

We move all terms to the left:

8b-(7+9b)=0

We add all the numbers together, and all the variables

8b-(9b+7)=0

We get rid of parentheses

8b-9b-7=0

We add all the numbers together, and all the variables

-1b-7=0

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

-b=7

b=7/-1

b=-7

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