selisih usia A dan B adalah 2 tahun(A lebih tua dari B)2 kali usia A ditambah usia B sama dengan 52.berapakah usia mereka masing-masing?

Oleh: USER9812
26 Agustus 2025 matematika 5 menit baca
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Grade: Education Mata Pelajaran: matematika
selisih usia A dan B adalah 2 tahun(A lebih tua dari B)2 kali usia A ditambah usia B sama dengan 52.berapakah usia mereka masing-masing?
Ditanyakan oleh:
136 Dilihat 136 Jawaban
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Jawaban (136)

Jawaban Terbaik
(289)
a-b=2
a=2+b subtitusikan ke persamaan berikut

2a+b=52
2(2+b)+b=52
4+2b+b=52
3b=52-4
3b=48
b=48/3
b=16 subtitusikan b ke persamaan pertama

a=2+b
a=2+16
a=18

Jadi umur A = 18 tahun dan B = 16 tahun

Dijawab pada tanggal 26 Agustus 2025
(54)
usia mereka masing-masing adalah
 A=18
 B=16
Dijawab pada tanggal 26 Agustus 2025

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