-2b+20=11

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Solution for -2b+20=11 equation: 



-2b+20=11

We move all terms to the left:

-2b+20-(11)=0

We add all the numbers together, and all the variables

-2b+9=0

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

-2b=-9

b=-9/-2

b=4+1/2

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