-5(-8b+9)=-31-2b

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Solution for -5(-8b+9)=-31-2b equation: 



-5(-8b+9)=-31-2b

We move all terms to the left:

-5(-8b+9)-(-31-2b)=0

We add all the numbers together, and all the variables

-5(-8b+9)-(-2b-31)=0

We multiply parentheses

40b-(-2b-31)-45=0

We get rid of parentheses

40b+2b+31-45=0

We add all the numbers together, and all the variables

42b-14=0

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

42b=14

b=14/42

b=1/3

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