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x, (x + 2), (x + 4)
Jumlah 3 bilangan genap berurutan = 54
Maka,
x + (x + 2) + (x + 4) = 54
3x + 6 = 54
3x = 54 - 6
3x = 48
x = 48/3
x = 16
Sehingga,
x = 16
(x + 2) = 16 + 2 = 18
(x + 4) = 16 + 4 = 20
Jadi, bilangan berurutan tsb. adalah 16, 18, 20