7=u/2-7

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Solution for 7=u/2-7 equation: 



7=u/2-7

We move all terms to the left:

7-(u/2-7)=0

We get rid of parentheses

-u/2+7+7=0

We multiply all the terms by the denominator


-u+7*2+7*2=0

We add all the numbers together, and all the variables

-1u+28=0

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

-u=-28

u=-28/-1

u=+28

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