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5/u+8=4
We move all terms to the left:
5/u+8-(4)=0
Domain of the equation: u!=0We add all the numbers together, and all the variables
u∈R
5/u+4=0
We multiply all the terms by the denominator
4*u+5=0
We add all the numbers together, and all the variables
4u+5=0
We move all terms containing u to the left, all other terms to the right
4u=-5
u=-5/4
u=-1+1/4
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