The maximum value of 2x-1 ≤ 13 is m, and the minimum value of inequality - 3x-1 ≤ - 7 is n. find the inequality NX + Mn

The maximum value of 2x-1 ≤ 13 is m, and the minimum value of inequality - 3x-1 ≤ - 7 is n. find the inequality NX + Mn

The maximum value of 2x-1 ≤ 13 is m,
2x