25=-2-9b

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Solution for 25=-2-9b equation: 



25=-2-9b

We move all terms to the left:

25-(-2-9b)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

9b+2+25=0

We add all the numbers together, and all the variables

9b+27=0

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

9b=-27

b=-27/9

b=-3

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