Answer:
-3(2 - 4x) ≤ 18
⇔ -6 + 12x ≤ 18
⇔ 12x ≤ 18 + 6
⇔ 12x ≤ 24
⇔ x ≤ 24/12
⇔ x ≤ 2
22
74
Step-by-step explanation:
A) x = 12
4x-6 = 42
4 = 48
x = 12
7x+10 = 94
7x = 82
no