-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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