8b=-4+9b

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



8b=-4+9b

We move all terms to the left:

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

We add all the numbers together, and all the variables

8b-(9b-4)=0

We get rid of parentheses

8b-9b+4=0

We add all the numbers together, and all the variables

-1b+4=0

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

-b=-4

b=-4/-1

b=+4

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