7=u/5-15

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Solution for 7=u/5-15 equation: 



7=u/5-15

We move all terms to the left:

7-(u/5-15)=0

We get rid of parentheses

-u/5+15+7=0

We multiply all the terms by the denominator


-u+15*5+7*5=0

We add all the numbers together, and all the variables

-1u+110=0

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

-u=-110

u=-110/-1

u=+110

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