Question 558877
length = x
width = y

x=y+4
x-y=4.............(1)

2x+2y=28
/2
x+y=14...........(2)

{{{drawing(300,300,-10,20,-10,10,circle(0,-4,0.3),circle(4,0,0.3),circle(0,14,0.3),circle(14,0,0.3),grid(1),graph(300,300,-10,20,-10,10,y=x-4,y=-x+14))}}}

The lines intersect at (9,5)
width = 5
length = 9