Question 229799
Let x, x+2 & x+4 be the 3 integers.
x+4=2(x+2)-16
x+4=2x+4-16
x-2x=4-16-4
-x=-16
x=16 is for the first integer.
16+2=18 is the second integer.
16+4=20 is the third integer. 
Proof:
20=2*18-16
20=36-16
20=20