Answer:
sorry I need to answer this I'll give you the right answer soon I swear
7x-3=7x+5
+3 +3
7x=7x+8
-7x-7x
x=8
The answer is yes, and I will give you the calculation soon
PQ=
=
QR=
PR=
8 *6= 42 so it gotta be bigger than 42 and 42 divide by 2 is 21 and 42+21= 63 you got your answer.