rezolvati inecuatiile VA ROG repede dau si coroana
Răspunsuri la întrebare
x - 5 > 0
x > 5
x ∈ (5, +oo) ∩ Z
2x + 5 < 7
2x < 2
x < 1
x ∈ (-oo, 1) ∩ Z
3x ≥ - 15
x ≥ - 5
x ∈ [-5, +oo) ∩ Z
- 4x ≥ 12
4x ≤ - 12
x ≤ - 3
x ∈ ( -oo, -3] ∩ Z
2x - 1 ≤ 11
2x ≤ 12
x ≤ 6
x ∈ (-oo, 6] ∩ Z
- 6 + 3x < x
3x - x < 6
2x < 6
x < 3
x ∈ (-oo, 3) ∩ Z
a. x- 5>0 b. 2·x+ 5< 7
x >0+ 5 2·x < 7- 5
x > 5 2·x < 2 I 2
x∈ ( 5; + ∞) x < 1
x∈ ( - ∞; 1)
c. 3·x ≥ -15I 3 d. -4·x ≥ 12 I-4
x ≥ -5 x ≤ -3
x∈ [- 5; + ∞) x∈ (- ∞; -3]
e. 2·x- 1 ≤ 11 d. -6+ 3·x < x
2·x ≤ 11+ 1 3·x- x < 6
2·x ≤ 12 I2 2·x < 6 I 2
x ≤ 6 x < 3
x∈ (- ∞; + 6] x∈ (- ∞; -3)