Question

Solve the following inequality. 21 ≤ -3(x − 4) < 30 A. 28 ≤ x < 37 B. -10 < x ≤ -3 C. -6 < x ≤ -3 D. -3 ≤ x < 6

Answer 1

Step-by-step explanation:

21 ≤ -3(x − 4) < 30

=> devided by (-3)

-7 ≥ x-4 > -10

=> added by 4

-3 ≥ x > -6

the result : -6 < x ≤ -3 (option C)