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garpu = y
5x + 6y = 67.000 5x + 6y = 67.000
2x + 3y = 30.700 - ⇔ 4x + 6y = 61.400 - (dikali 2)
x = 5.600
2x + 3y = 30.700
2(5.600) + 3y = 30.700
11.200 + 3y = 30.700
3y = 30.700 - 11.200
3y = 19500
y = 6500
jadi, sendok = 5.600
garpu = 6.500