Inactive Tutor answered 09/30/21
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