Sixty-four is several kinds of number.
It is an even number
It is a two-digit number
It is a square number - the second power of 8 -> 8 * 8 = 64
It is a cubic number - the third power of 4 -> 4 * 4 * 4 = 64
It is a 6th power number - the sixth power of 2 -> 2 * 2 * 2 * 2 * 2 * 2 = 64
It is a superperfect number
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A negative one.
x = 64 64 + 64 = 128
64/4 = 16
x + 30 = 64 Therefore, x = 64 - 30 x = 34
find x when, 2x=128 2x=128 /2 /2 x=128 /2 x=64 then check your answer by doing the following if x=64, then what is 2x? 2(64)=? or 2 * 64=? or 2 x 64=? 2 times 64 equals 128!