5=7+2/u

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Solution for 5=7+2/u equation: 



5=7+2/u

We move all terms to the left:

5-(7+2/u)=0



Domain of the equation: u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(2/u+7)+5=0

We get rid of parentheses

-2/u-7+5=0

We multiply all the terms by the denominator


-7*u+5*u-2=0

We add all the numbers together, and all the variables

-2u-2=0

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

-2u=2

u=2/-2

u=-1

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