12/u+12=15

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Solution for 12/u+12=15 equation:



12/u+12=15
We move all terms to the left:
12/u+12-(15)=0
Domain of the equation: u!=0
u∈R
We add all the numbers together, and all the variables
12/u-3=0
We multiply all the terms by the denominator
-3*u+12=0
We add all the numbers together, and all the variables
-3u+12=0
We move all terms containing u to the left, all other terms to the right
-3u=-12
u=-12/-3
u=+4

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