Answer:
hi
Step-by-step explanation:
18x-6-x+1+3x-1+x=8x-6
x+3x+x-8x= -6-1+1
-3x=-6
x=2
Perimeter is 8x-6=10
QP= x+1=3
PR=3x-1=5
3+5=8
10-8=2
QR=2
QR=4x-6=4×2-6=8-6=2
have a nice day
