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2x + 3y = 2.700 | 2 | 4x + 6y = 5.400
(=) 11x = 6.600
(=) x = 600
jd, 5x + 2y = 4.000
=> 5(600) + 2y = 4.000
=> 3000 + 2y = 4.000
=> 2y = 1000
=> y = 500
Jadi, harga sebuah gehu dan dua buah cireng adala
x + 2y = 600 + 2(500) = 1.600 (B)