Integers=x,x+1,x+2,x+3
(x+1+x+2+x+3)-2x=16
3x+6-2x=16
x=16-6
x=10 answer for the first integer.
10,11,12,13 are all the integers.
proof:
11+12+13-2*10=16
36-20=16
16=16
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