Question 33598
Y=-X-1 
IF X=-2 THEN Y=-(-2)-1 OR Y=+2-1 OR Y=1
IF X=-1 THEN Y=-(-1)-1 OR Y=+1-1 OR Y=0
IF X=0 THEN Y=-(0)-1 OR Y=0-1 OR Y=-1
IF X=+1 THEN Y=-(+1)-1 OR Y=-1-1 OR Y=-2
IF X=+2 THEN Y=-(+2)-1 OR Y=-2-1 OR Y=-3