The perimeter of the rectangle is

112 units. Find the length of side
PQ (bottom).
.
Write your answer without variables.

SR (top): 4z-2
SP (side):3z+2

2 answers

since the perimeter is the sum of the sides, the missing side x must be found using

(4z-2)+(3z+2)+x = 112

Now just solve that for x. Since you have not assigned a value to z, the answer for x will still involve z.
The perimeter of the rectangle below is 174
units. Find the length of side WX

.