How was the solution to x found?

b. Sixty-five pounds of candy was divided into four different boxes. The second box contained twice the amount of the first box. The third box contained two more pounds than the first box. The last box contained one-fourth the amount in the second box. How much candy was in each box? 1 st box= x x=14 lbs 2nd box= 2x 2x= 28 lbs 3d box= x + 2 x+2= 16 lbs 4th box= 1/4(2x) 1/4(2x)= 7 lbs