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Uang Fani = y
Uang Edy = z
2x = 3y
4y = 9z
gabung variabelnya :
8x = 12y = 27z
jadikan semuanya menjadi variabel " a "
menjadi :
8a + 12a + 27a = 86 000,00
47a = 86 000,00
a = 86 000 / 47
= 1 829
Selisih uang Toni dan Edy :
27a - 8a = 19a
19a = 19 . 1 829
= 34 765.957