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Verified answer
Diketahui :- Umur Meli = x
- Umur Ayu = y
- x = y - 7
- x + y = 43
Ditanya :
A. Nilai x = ....?
B. Nilai y = ....?
Penyelesaian :
A. Nilai x :
x = y - 7
y = x + 7
x + y = 43
x + x + 7 = 43
2x = 43 - 7
2x = 36
x = 36/2
x = 18
Umur Meli = 18 Tahun
B. Nilai y :
y = x + 7
y = 18 + 7
y = 25
Umur Ayu = 25 Tahun
Maaf Kalau Salah
Meli=43:2-7=21,5-7=14,5
Ayu=43:2+7=21,5+7=18.5
maaf jika salah