Question

solve inequation : -2 < 7 - 3x ≤ 13, x€R​

Answer 1

Answer:

-2 < 7 - 3x

=> 3x < 7 + 2

=> x < 9/3

=> x < 3

7 - 3x ≤ 13

=> -3x ≤ 13 - 7

=> 3x ≥ -6

=> x ≥ -2

-2 ≤ x < 3