-20b+19=-11-18b

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Solution for -20b+19=-11-18b equation: 



-20b+19=-11-18b

We move all terms to the left:

-20b+19-(-11-18b)=0

We add all the numbers together, and all the variables

-20b-(-18b-11)+19=0

We get rid of parentheses

-20b+18b+11+19=0

We add all the numbers together, and all the variables

-2b+30=0

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

-2b=-30

b=-30/-2

b=+15

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