3b+4=9b-9

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



3b+4=9b-9

We move all terms to the left:

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

We get rid of parentheses

3b-9b+9+4=0

We add all the numbers together, and all the variables

-6b+13=0

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

-6b=-13

b=-13/-6

b=2+1/6

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