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Rezolvati in multimea N ecuatia
(2x-4)impartit (3x)=10


Răspuns :

(2x-4):(3x) =10
2x-4/3x=10
2x-4=30x
2x-30x=4
-28x=4
x=-1/7
2x-4=30x
2x-30x=4
-28x=4  /÷(-28)
x=-4/28
x=-1/7 , iar acesta solutie∉N, ca atare ecuatia nu are solutii ∈N