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x-8=14(y-8)
x-14y+104=0 ..................(1)
x+3=3(y+3)
x-3y-6=0.......................(2)
eleminasi pers (1) dan (2)
hasilnya
-11y+110=0
y=110/11
y=10 (umur anak)
masukkan y= 10 ke pers diatas
x-3(10)-6=0
x-30-6=0
x=36 (umur ayah)
selisih umur ayah dan anak
36-10=26 tahun
trims