-20-9b+16b=20-b

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Solution for -20-9b+16b=20-b equation: 



-20-9b+16b=20-b

We move all terms to the left:

-20-9b+16b-(20-b)=0

We add all the numbers together, and all the variables

-9b+16b-(-1b+20)-20=0

We add all the numbers together, and all the variables

7b-(-1b+20)-20=0

We get rid of parentheses

7b+1b-20-20=0

We add all the numbers together, and all the variables

8b-40=0

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

8b=40

b=40/8

b=5

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