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(x+2)x3-45<15 Va rog ajutati-ma!


Răspuns :

(x+2)×3<15+45
(x+2)×3<60
3x+6<60
3x<60-6
3x<54
x<54:3
x<18
x{0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17}