Answer:
4. -6
5. -5
6. 2
Step-by-step explanation:
4.
2x + 3 <= -9
2x <= -9 - 3
2x <= -12
= x <= -6
5.
3p + 4 > -11
3p > -11 -4
3p > -15
p > -5
6.
5x + 6 >= 16
5x >= 16 - 6
5x >= 10
x >= 2
