18x - 9 > 9
18x > 9 + 9
18x > 18
x > 18/18
x > 1
2x - 4 > -10
2x > -10 + 4
2x > -6
x > -6/2
x > -3
Since x must be bigger than 1 and bigger than -3 we have to satisfy both, and if x > 1 its already bigger than -3
So, just let be x > 1
It's the second option
