7u+12=15

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Solution for 7u+12=15 equation: 



7u+12=15

We move all terms to the left:

7u+12-(15)=0

We add all the numbers together, and all the variables

7u-3=0

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

7u=3

u=3/7

u=3/7

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