Answer:
Box 1: 11
Box 2: 3
Box 3: -3
Box 4: -12
Explanation:
When searching for the “y boxes” simply replace the x with the number given in the x column.
When searching for the “x box” this is slightly harder. Think of this as the reverse process. So do the reverse process to it. Add 7, multiply by 3 and divide by -2.