umur paman Muhto = 2x umur paman Andi
umur paman Muhto + umur paman Andi = 60 tahun
misal n = umur
maka
2n + n = 60
3n = 60
n = 60/3
n = 20 tahun
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umur paman Muhto = 2x umur paman Andi
umur paman Muhto + umur paman Andi = 60 tahun
misal n = umur
maka
2n + n = 60
3n = 60
n = 60/3
n = 20 tahun