Respuesta :

 2X - 1 > 7
 2X > 7 + 1
 2
X > 8
  X > 8/2
  X>4
2x - 1 > 7 ; Start
2x > 8       ; Add 1 to each side of the inequality
x > 4          ; Divide both sides by 2

So, x have to be less than 4 in order to be in the solution set.