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Wwwcristina1
a fost răspuns

Rezolvati in multimea Q ecuatiile 2pe3x egal cu 46

Răspuns :

Denis21
2/3x=46 ( inmultim pe diagonala ) 
2=3x*46
2=138x => x=138/2=69 .
MinnieMousee
2/3x =46 . adica 2/3x = 46/1 => 46*3x/2=1 => 23*3x=1 => 69x=1 => x= 1/69 
Verificarea :  2/3*1/69 = 2 : 3/69 = 2 * 69/3 = 2*23 = 46

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