-5b-9=-7b+9

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Solution for -5b-9=-7b+9 equation: 



-5b-9=-7b+9

We move all terms to the left:

-5b-9-(-7b+9)=0

We get rid of parentheses

-5b+7b-9-9=0

We add all the numbers together, and all the variables

2b-18=0

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

2b=18

b=18/2

b=9

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