-72-7u=5u

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Solution for -72-7u=5u equation: 



-72-7u=5u

We move all terms to the left:

-72-7u-(5u)=0

We add all the numbers together, and all the variables

-12u-72=0

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

-12u=72

u=72/-12

u=-6

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