Why is the sum of three consecutive even integers always a multiple of 3

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Why is the sum of three consecutive even integers always a multiple of 3

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Ngọc Hoa 7 months 2021-07-16T16:42:29+00:00 1 Answers 12 views 0

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  1. ngockhue
    1
    2021-07-16T16:44:17+00:00
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    Answer:

    Three consecutive even integers can be represented by x, x+2, x+4. The sum is 3x+6, which is equal to 108. Thus, 3x+6 = 108.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )