Question

Solve -5< 4x +3 < 7.

The second “<“ has a line under it. Please help! This is on APEX.

Answer 1

C -2 < x ≤ 1

Explanation:

-5< 4x +3 ≤ 7

Subtract 3 from all sides

-5-3< 4x +3-3 ≤ 7-3

-8< 4x ≤ 4

Divide all sides by 4

-8/4< 4x/4 ≤ 4/4

-2 < x ≤ 1