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A - B = 7 ===> A= B+7
(B+7) + B = 65
2B + 7 = 65
2B = 65 - 7
2B = 58
B = 58/2
B = 29
A= B + 7
A= 29 + 7
A = 36
jadi bilangan tersebut 29 dan 36