-2b+9=7b-9

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Solution for -2b+9=7b-9 equation: 



-2b+9=7b-9

We move all terms to the left:

-2b+9-(7b-9)=0

We get rid of parentheses

-2b-7b+9+9=0

We add all the numbers together, and all the variables

-9b+18=0

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

-9b=-18

b=-18/-9

b=+2

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