9=4y/y

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Solution for 9=4y/y equation:



9=4y/y
We move all terms to the left:
9-(4y/y)=0
Domain of the equation: y)!=0
y!=0/1
y!=0
y∈R
We add all the numbers together, and all the variables
-(+4y/y)+9=0
We get rid of parentheses
-4y/y+9=0
We multiply all the terms by the denominator
-4y+9*y=0
We add all the numbers together, and all the variables
5y=0
y=0/5
y=0
Równanie nie ma rozwiązania

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