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x + y = 16 {x4} = 4x + 4y = 64
4x + 2y = 46 { x1} = 4x + 2y = 46
(4x - 4x) + (4y - 2y) = (64 - 46)
2y = 18
y= 9
x + y = 16
x + 9 = 16
x = 16 - 9
x = 7
jadi di ladang tersebut jumlah ayam adalah 9 ekor dan jumlah kambing adalah 7 ekor