Răspuns :
26 ≤x<300-15x17
26≤x<300-255
26≤x<45
x ∈{26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44}
26≤x<300-255
26≤x<45
x ∈{26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44}