Question

5P1 – 2P2 = 15 and –P1 + 8P2 = 16

Answer 1

Answer:

1.5p1-2p2=15

p (5×1-2×2)=15

p (5-4)=15

p (1)=15

p=15

2.-p1+8p2=16

p (-1+8×2)=16

p (-1+16)=16

p (15)=16

p=16-15

p=1