-20+9b-10b=10-4b

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Solution for -20+9b-10b=10-4b equation: 



-20+9b-10b=10-4b

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-1b-(-4b+10)-20=0

We get rid of parentheses

-1b+4b-10-20=0

We add all the numbers together, and all the variables

3b-30=0

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

3b=30

b=30/3

b=10

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