9u=27+9

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Solution for 9u=27+9 equation: 



9u=27+9

We move all terms to the left:

9u-(27+9)=0

We add all the numbers together, and all the variables

9u-36=0

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

9u=36

u=36/9

u=4

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