Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to find the greatest (or least) possible values for x.
Where do you want to put the 9? Where do you want to put the 1?
Assuming x can be a negative value, 1x + 9 = 2 gives the least possible value of -7. The greatest possible value would be, 1x + 2 = 9