75+15x>140

75+15x>140     subtract 75 from each side

15x > 65         divide both sides by 15

x> 65/15

x > 13 / 3

75+15x > 140

      15x > 140-75

      15x > 140-75

      15x > 65

          x > 65/15

          x > 65/15

          x > 13/3

          x > 4.3333 #