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b = ayam
a + b = 13
4a + 2b = 32
trus pake eliminasi hasilnya ketemu b = 10
a + 10 = 13
a = 3
a = ayam
Xk + Xa = 13 | 2 | 2k + 2a = 26
4k + 2a = 32 | 1 | 4k + 2a = 32 -
-2k = -6
k = -6/-2
k = 3
4.3 + 2a = 32
12 + 2a = 32
2a = 32 - 12
a = 20/2
a = 10
jadi banyak kambing = 3
dan bnyak ayam = 10