dik x>2 dan y=5 dit 3y-x......? nilai x.....?

x > 2 ===> kedua ruas kali -1
-x < -2 ===> kedua ruas tambah 3y
-x + 3y < -2 + 3y
3y - x < -2 + 3(5)
3y - x < -2 + 15
3y - x < 13

x > 2
x = {3, 4, 5, 6, .... }}