4x-4/5=21/5;x=7/20

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Solution for 4x-4/5=21/5;x=7/20 equation: 



4x-4/5=21/5x=7/20

We move all terms to the left:

4x-4/5-(21/5x)=0



Domain of the equation: 5x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

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

We get rid of parentheses

4x-21/5x-4/5=0

We calculate fractions


4x=0

x=0/4

x=0

Równanie nie ma rozwiązania

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