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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

=0

b=0/1

b=0

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