2. A rectangle with a length of 20 centimeters and an unknown width of x centimeters has a
smaller rectangle cut out of it. The smaller rectangle has a length of 16 cm and a width of
x-3. The area of the shaded region (what remains) is 80 square centimeters.
Set up
and solve an equation for the value of x.
X
x-3
20 cm
16 cm