Question 161057
Let x, x+1 & x+2 be the 3 integers.
x+2(x+1)-17=2(x+2)
x+2x+2-17=2x+4
3x-2x=15+4
x=19 answer for the smalest integer.
19+1=20 for the middle integer
19+2=21 for the third integer.
Proof:
19+2*20-17=2*21
19+40-17=42
59-17=42
42=42