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3(×-4)+11mai mic decat ×+23

Răspuns :

3(×-4)+11<×+23
3×-12<×+12
2×<24
×<12
3[x-4]+11<x+23  3orix-3ori4+11<x+23   3x-12+11<x+23  3x-1<x+23 3x-x<23+1  2x<24  x<24;2 x<12