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23/u+219=15
We move all terms to the left:
23/u+219-(15)=0
Domain of the equation: u!=0We add all the numbers together, and all the variables
u∈R
23/u+204=0
We multiply all the terms by the denominator
204*u+23=0
We add all the numbers together, and all the variables
204u+23=0
We move all terms containing u to the left, all other terms to the right
204u=-23
u=-23/204
u=-23/204
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