a + b = 64, a = 3b
3b + b = 64
4b = 64
b = 16
a= 3b = 3(16) = 48
selisih kedua bilangan = a - b = 48 - 16 = 32 (A.)
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a + b = 64, a = 3b
3b + b = 64
4b = 64
b = 16
a= 3b = 3(16) = 48
selisih kedua bilangan = a - b = 48 - 16 = 32 (A.)