5/2=4x+21/x3

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Solution for 5/2=4x+21/x3 equation: 



5/2=4x+21/x3

We move all terms to the left:

5/2-(4x+21/x3)=0



Domain of the equation: x3)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(+4x+21/x3)+5/2=0

We get rid of parentheses

-4x-21/x3+5/2=0

We calculate fractions

We do not support expression: x^3

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