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-10/u=2
We move all terms to the left:
-10/u-(2)=0
Domain of the equation: u!=0We multiply all the terms by the denominator
u∈R
-2*u-10=0
We add all the numbers together, and all the variables
-2u-10=0
We move all terms containing u to the left, all other terms to the right
-2u=10
u=10/-2
u=-5
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