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Rezolvati in multimea numerelor reale ecuatia: 3x-2 supra 2 -x-4 supra 3=5

Răspuns :

3x-2/2  -  x-4/3=5 
3(3x-2)-2(x-4)=20
9x-6-2x+9=30
7x+2=30
7x=30-2
7x=28
x=28/7
x=4

(3x-2)/2 -(x-4)/3=5
3(3x-2) -2(x-4)=30
9x-6-2x+8=30
7x=28
x=4