Răspuns :

(x-5)/2-(x-4)/3+(x-3)/4<(5-x)/4+(4-x)/3+(3-x)/2 aducem la acelasi numitor care este 12
(6x-30-4x+16+3x-9)/12<(15-3x+16-4x+18-6x)/12
(5x-23)/12<(-13x+49)/12    inmultim cu 12
5x-23<-13x+49
5x+13x<49+23
18x<72
x<72/18
x<4
x∈(-α, 4)

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