74 = 2(2z-1) + 2(3z+ 3)
37 = 2z -1 + 3 z + 3
35 = 5 z
z = 7
the bottom of the rectangle is the same as the top 2 z - 1
= 14 - 1
= 13
the perimeter of the rectangle below is 74 units find the length of side pq
sr is the top 2z-1 side is sp 3z+3 pq is the bottom
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