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9x/30x=4
We move all terms to the left:
9x/30x-(4)=0
Domain of the equation: 30x!=0We multiply all the terms by the denominator
x!=0/30
x!=0
x∈R
9x-4*30x=0
Wy multiply elements
9x-120x=0
We add all the numbers together, and all the variables
-111x=0
x=0/-111
x=0
Równanie nie ma rozwiązania
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