Penjelasan dengan langkah-langkah:
beras : x
gula : y
3x + 2y = 76.000 |×1
x + 3y = 54.500 |×3
3x + 2y = 76.000
3x + 9y = 163.500
_______________-
-7y = -87.500
y = -87.500/-7
y = 12.500
harga gula adalah Rp12.500/kg
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Penjelasan dengan langkah-langkah:
beras : x
gula : y
3x + 2y = 76.000 |×1
x + 3y = 54.500 |×3
3x + 2y = 76.000
3x + 9y = 163.500
_______________-
-7y = -87.500
y = -87.500/-7
y = 12.500
harga gula adalah Rp12.500/kg