-7=2/u+2

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Solution for -7=2/u+2 equation: 



-7=2/u+2

We move all terms to the left:

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



Domain of the equation: u+2)!=0

u∈R



We get rid of parentheses

-2/u-2-7=0

We multiply all the terms by the denominator


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

We add all the numbers together, and all the variables

-9u-2=0

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

-9u=2

u=2/-9

u=-2/9

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