since we have 4x>3 AND -x>3
-x>3 multiply both sides by -1 and reverse sign because of multiplication by a negative...
x<3
now
4x>3 divide both sides by 4 and you have:
x>3/4
so x<3 and x>3/4 so we can say:
3/4<x<3
So x will have infinitely many values all within the interval x=(.75, 3)