Question 158269
FIRST INTEGER=X
SECOND=X+2
THIRD=X+4
X+(X+4)=3(X+2)-12
2X+4=3X+6-12
2X-3X=-6-4
-X=-10
X=10 FOR THE FIRST INTEGER.
10=2-12 FOR THE SECOND
10=4=14 FOR THE THIRD.
PROOF
10+14=3*12-12
24=36-12
24=24