Answer:
42 , 43 , 44
Step-by-step explanation:
Let the 3 integers be x - 1 x and x + 1
Set up the equation
x - 1 + x + x + 1 = 129 Collect the like terms on the left
3x = 129 Notice the 1s cancel out. Divide by 3
3x/3 = 129/3
x = 43
x - 1 = 42
x = 43
x+1 = 44
42 + 43 + 44 = 129
