15-(9+10b)+20b-4=22

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Solution for 15-(9+10b)+20b-4=22 equation: 



15-(9+10b)+20b-4=22

We move all terms to the left:

15-(9+10b)+20b-4-(22)=0

We add all the numbers together, and all the variables

-(10b+9)+20b+15-4-22=0

We add all the numbers together, and all the variables

20b-(10b+9)-11=0

We get rid of parentheses

20b-10b-9-11=0

We add all the numbers together, and all the variables

10b-20=0

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

10b=20

b=20/10

b=2

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