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21/18=28/z
We move all terms to the left:
21/18-(28/z)=0
Domain of the equation: z)!=0We add all the numbers together, and all the variables
z!=0/1
z!=0
z∈R
-(+28/z)+21/18=0
We get rid of parentheses
-28/z+21/18=0
We calculate fractions
There is no solution for this equation
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