13b-(-7b)+(-8b)+(-4b)+(-10b)-9=1

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Solution for 13b-(-7b)+(-8b)+(-4b)+(-10b)-9=1 equation: 



13b-(-7b)+(-8b)+(-4b)+(-10b)-9=1

We move all terms to the left:

13b-(-7b)+(-8b)+(-4b)+(-10b)-9-(1)=0

We add all the numbers together, and all the variables

13b-(-7b)+(-8b)+(-4b)+(-10b)-10=0

We get rid of parentheses

13b+7b-8b-4b-10b-10=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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