Question

Rezolvati ,in numere naturale ,inecuatiile:
a)x+3<4
b)x+5≥17
c)x-11≤1
d)x-7≤3

Answer 1

a) x<4-3;      x<1
b) x≥17-5;    x≥12
c) x≤1+11;   x≤12
d) x≤3+7;     x≤10

Answer 2

x+3<4⇒x=0
x+5≥17
x=12,13...
 x≤1+11⇒   x≤12
 x≤3+7 ⇒    x≤10