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Verified answer
Diketahui :- Umur Adik = a
- Umur Kakak = b
- a = b - 5
- b = a + 5
- (a + 5) + (b + 5) = 35
Ditanya : Nilai a dan b = .....?
Penyelesaian :
- Umur Adik :
(a + 5) + (b + 5) = 35
a + 5 + a + 5 + 5 = 35
2a + 15 = 35
2a = 35 - 15
2a = 20
a = 20/2
a = 10
Umur Adik = 10 Tahun
- Umur Kakak :
b = a + 5
b = 10 + 5
b = 15
Umur Kakak = 15 Tahun
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