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21/25=12/25x
We move all terms to the left:
21/25-(12/25x)=0
Domain of the equation: 25x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+12/25x)+21/25=0
We get rid of parentheses
-12/25x+21/25=0
We calculate fractions
=0
x=0/1
x=0
Równanie nie ma rozwiązania
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