Let the length of the garden be x m and its breadth be y m.Then according to the question, we have:​x=y+4⇒x−y=4…(i)​ and x+y=36For graphical representation:From equation (i), we have: y=x-4When x=10, then y=10-4=6When x=12 then y-12-4=8When x=20, then y=20-4=16Thus, we have the following table of solutions:From equation (ii), we have: y=36When x=20, then y=36-20=16When x-24 then y=36-24=12When x=12, then y=36-12=24