-9(-11u-9)=18u

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Solution for -9(-11u-9)=18u equation: 



-9(-11u-9)=18u

We move all terms to the left:

-9(-11u-9)-(18u)=0

We add all the numbers together, and all the variables

-18u-9(-11u-9)=0

We multiply parentheses

-18u+99u+81=0

We add all the numbers together, and all the variables

81u+81=0

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

81u=-81

u=-81/81

u=-1

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