-3=-9b-13

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Solution for -3=-9b-13 equation: 



-3=-9b-13

We move all terms to the left:

-3-(-9b-13)=0

We get rid of parentheses

9b+13-3=0

We add all the numbers together, and all the variables

9b+10=0

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

9b=-10

b=-10/9

b=-1+1/9

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