no 8 dan 9 adalahh??

[8]. 3(x + 2) + 5 = 2 (x + 15)
3x + 6 + 5 = 2x + 30
x = 19 (c)

[9]. -1 < x < 7, x bilangan bulat
x = {0,1,2,3,4,5,6} (d)