Let x be the first number, then x +2, and x + 4 are the second and third numbers. Four more than three times the first number is 3x + 4
Adding that to the last number gives you (3x + 4) + (x + 4) = 76
4x + 8 = 76
4x = 68
x = 17
x + 2 = 19
x + 4 = 21
Larsen M.
asked 09/30/21Let x be the first number, then x +2, and x + 4 are the second and third numbers. Four more than three times the first number is 3x + 4
Adding that to the last number gives you (3x + 4) + (x + 4) = 76
4x + 8 = 76
4x = 68
x = 17
x + 2 = 19
x + 4 = 21
denote the odd sequence by (2n-1, 2n+1, 2n+3). We have:
4 + 3(2n-1) + (2n+3) = 76 --> 4 + 6n - 3 + 2n +3 = 4+ 8n=76 or n=9. Therefore the numbers are:
(17, 19, 21).
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