Question

The compound inequality and write the ans -2<3x+7<=1

Answer 1

- 3 < x ≤ - 2

Explanation:

- 2 < 3x + 7 ≤ 1 ( subtract 7 from each interval )

- 9 < 3x ≤ - 6 ( divide each interval by 3 )

- 3 < x ≤ - 2