Solve for X by adding 9 to each side to undo the subtraction. 6+9=15 so X > 15.

If you would like to solve the inequation X - 9 > 6, you can calculate this using the following steps: X - 9 > 6      /+9 X - 9 + 9 > 6 + 9 X + 0 > 15 X > 15 The correct result would be X > 15.