minta kerjain no 8 dong pakai jalannya

x/2 = x+4/6 ===> 2x + 8 = 6x
8 = 4x
x = 2
3/2 = 3 + y/6 ===> 6 + 2y = 18
2y = 12
y = 6

Jadi x + y = 2 + 6 = 8