-9=-2b-19

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Solution for -9=-2b-19 equation: 



-9=-2b-19

We move all terms to the left:

-9-(-2b-19)=0

We get rid of parentheses

2b+19-9=0

We add all the numbers together, and all the variables

2b+10=0

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

2b=-10

b=-10/2

b=-5

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