6+7u=9u

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Solution for 6+7u=9u equation:



6+7u=9u
We move all terms to the left:
6+7u-(9u)=0
We add all the numbers together, and all the variables
-2u+6=0
We move all terms containing u to the left, all other terms to the right
-2u=-6
u=-6/-2
u=+3

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