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Dasi:y
2x+3y=64.000|×2|4x+6y=128.000
3x+2y=63.500|×3|9x+6y=190.500
4x+6y=128.000
9x+6y=190.500
____________ _
-5x =-62.500
-5x÷-5=-62.500÷-5
x =12.500
2x+3y=64.000
2×12.500+3y=64.000
25.000-25.000+3y=64.000-25.000
3y=39.000
3y÷3=39.000÷3
y=13.000
Harga sebuah topi = Rp12.500
Harga sebuah dasi = Rp13.000