-2=-9-7b

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



-2=-9-7b

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

7b+9-2=0

We add all the numbers together, and all the variables

7b+7=0

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

7b=-7

b=-7/7

b=-1

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