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Verified answer
Misal bilangan itu adalah a dan b makaa + b = 79
a - b = 11
Eliminasikan
a + b = 79
a - b = 11
----------------- +
2a = 90
a = 90 : 2
a = 45
subtitusikan a = 45 ke a+ b = 79
maka
45 + b = 79
b = 79 - 45
b = 34
Maka bilangan tersebut ialah 34 dan 45
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