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Komputer = x
5(x) + 2(5x) = Rp. 48.000.000
5x + 10x = Rp. 48.000.000
15x = Rp. 48.000.000
x = Rp. 48.000.000 / 15
x = Rp. 3.200.000
Mesin cetak = 5 * Rp. 3.200.000
= Rp. 16.000.000
x = 5y
5y + 2x = 48.000
x = ...?
5y + 2x = 48.000
x + 2x = 48.000
3x = 48.000
x = 48.000 / 3
x = 16.000
Jadi harga sebuah mesin cetak = Rp 16.000,-