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apael => a
untuk mencari a
5j + 6a = 435.000 dikalikan 2
2j + 3a = 195.000 dikalikan 5
menjadi
10j + 12a = 870.000
10 j + 15a = 975.000 _
- 3a = - 105 .000
a = -105.000 /-3
a = 35.000
maka harga
2apel = 2 x 35.000
= 70.000
195000÷5=39000×2=78000