-9+4b=20-8b-5

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Solution for -9+4b=20-8b-5 equation: 



-9+4b=20-8b-5

We move all terms to the left:

-9+4b-(20-8b-5)=0

We add all the numbers together, and all the variables

4b-(-8b+15)-9=0

We get rid of parentheses

4b+8b-15-9=0

We add all the numbers together, and all the variables

12b-24=0

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

12b=24

b=24/12

b=2

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