Answer :
Answer:
A.x + 5y
Step-by-step explanation:
let 3rd side be z
P=2x+2y+5x-y+z=8x + 6y
7x+y+z=8x+6y
z=8x+6y-7x-y=x+5y (⇒ A)
Answer:
A.x + 5y
Step-by-step explanation:
let 3rd side be z
P=2x+2y+5x-y+z=8x + 6y
7x+y+z=8x+6y
z=8x+6y-7x-y=x+5y (⇒ A)