7u-5=15

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Solution for 7u-5=15 equation: 



7u-5=15

We move all terms to the left:

7u-5-(15)=0

We add all the numbers together, and all the variables

7u-20=0

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

7u=20

u=20/7

u=2+6/7

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