8+7b=9b-4+3b

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Solution for 8+7b=9b-4+3b equation: 



8+7b=9b-4+3b

We move all terms to the left:

8+7b-(9b-4+3b)=0

We add all the numbers together, and all the variables

7b-(12b-4)+8=0

We get rid of parentheses

7b-12b+4+8=0

We add all the numbers together, and all the variables

-5b+12=0

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

-5b=-12

b=-12/-5

b=2+2/5

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