-11u-20=9-20u-2

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Solution for -11u-20=9-20u-2 equation: 



-11u-20=9-20u-2

We move all terms to the left:

-11u-20-(9-20u-2)=0

We add all the numbers together, and all the variables

-11u-(-20u+7)-20=0

We get rid of parentheses

-11u+20u-7-20=0

We add all the numbers together, and all the variables

9u-27=0

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

9u=27

u=27/9

u=3

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