Algebraically, X = integer.
X + (X + 2) + (X + 4) = 24
gather like terms on left
3X + 6 = 24
subtract 6 from each side
3X = 18
so,
X = 6
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X + 2 = 8
X + 4 = 10
6 + 8 + 10 = 24
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(6, 8, 10)
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the answer set
3 consecutive even integers whose sum is 396 are 130, 132 and 134.
The integers are -16 and -14.
14,16.18
The integers are 6, 8 and 10.
-2, -4, -6