Solve the following inequation:
2 – 5 < 5 + 4 < 11; ε I
–3 ≤ < 1.4 ε I
–4 < < 2 ε I
–3 < < 1.5 ε I
–4 < < 1.6 ε I
–2 < < 1 ε I
Solve the following inequations and graph the solution on the number line
2 – 5 < 5 + 4 < 11, ε R.