2+7u=9u

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Solution for 2+7u=9u equation: 



2+7u=9u

We move all terms to the left:

2+7u-(9u)=0

We add all the numbers together, and all the variables

-2u+2=0

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

-2u=-2

u=-2/-2

u=1

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