Answer:
x = 9
PQ = 19
QR = 19
RP = 10
Step-by-step explanation:
if 3x - 8 = 2x+1
then,
3x -2x = 1+8
for pq,
2x+1
2x + 1 = 2*9+1
=>18 +1 = 19
for qr,
3x-8 = 3*9-8
=>27-8 =19
for rp,
x+1=9+1
=> 10
