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DAU CORONITA LA REZOLVARE!!
-11 + 3x ≤ 1
7 - 2x < +11
3x + 5≥ -2x + 10
8 - 3x > 6x - 10


Răspuns :

-11+3x ≤ 1
3x ≤1+11=>x ≤12:3=>x ≤ 4

7-2x < 11
-2x < 11-7
-x < 4:2=>x < -2

3x+5 ≥ -2x+10
3x+2x ≥ 10-5
x ≥ 5

8-3x>6x-10
8+10>6x+3x
18>9x =>x>18:9=>x>2