Question

1/4(p+q)=14
1/4(p-q)=5

Solve by cross multiplication method​

Answer 1

Answer:

p+q=56.........1)

p-q=20.........2)

Adding equation 1 and 2

We get,

2p=76

p=76/2

p=36

put p=36 in equation 1)

36+q=56

q=56-36

q=20

Answer p=36 and q=20