18u=9u+27

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Solution for 18u=9u+27 equation: 



18u=9u+27

We move all terms to the left:

18u-(9u+27)=0

We get rid of parentheses

18u-9u-27=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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