PQ = 8, PR = 2x, TU = 2z + 3, ST = 5z
Find: PR and ST
PQ and PR are congruent so
2x=8
x=4
2*4=8
PR=8
ST and TU are congruent so
5z=2z+3
3z=3
z=1
5*1=5
ST=5
