Answer by JKismyhusbandbae: -12 ≤ f ≤ 6
-3f - 9|-8+8 ≤ 19 + 8
|-3f-9|≤ 27
-3f-9≤ 27 and -3f - 9≥ 27
-3f-9+9≤27+9
-3f ≤ 36
(-3f) (-1) ≥ 36 (-1)3f ≥ - 36
≥ 
f ≥ - 12-3f
-9+9≥-27+9
-3f≥-18
≤ 
F ≤ 6
5-8 5-20 = 3.5 because rigid yes
Answer:
28
Step-by-step explanation:
The answer to the question is x=12