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3x - 4y - 36 = 0
1/2x + 2/3y - 3 = 0 kali 6 semua
3x + 4y - 18 = 0
eliminasi
3x - 4y - 36 = 0
3x + 4y - 18 = 0
→ 6x - 18 = 0
6x = 18
x = 3
3x + 4y - 18 = 0
3(3) + 4y - 18 = 0
4y - 9 = 0
y = 9/4
yang bentuk pecahan itu juga bisa langsung dieliminasi, cuma harus teliti ngitungnya