-2b-9=-25

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Solution for -2b-9=-25 equation: 



-2b-9=-25

We move all terms to the left:

-2b-9-(-25)=0

We add all the numbers together, and all the variables

-2b+16=0

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

-2b=-16

b=-16/-2

b=+8

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