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Verified answer
SPLDVMisalkan
x = ayam
y = itik
7x + 6y = 67.250 .... ×1
2x + 3y = 25.000 .... ×2
Eliminasi
7x + 6y = 67.250
4x + 6y = 50.000
______________ _
3x = 17.250
x = 17.250/3
x = 5.750
Substitusikan nilai x ke salah satu persamaan
2x + 3y = 25.000
2(5.750) + 3y = 25.000
11.500 + 3y = 25.000
3y = 25.000 – 11.500
3y = 13.500
y = 13.500/3
y = 4.500
x = ayam = 5.750
y = itik = 4.500
Jadi harga satu ekor ayam adalah Rp5.750,-