Question

If 2(2x - y) = 16 and 2(x + y) = 32, the value of (xy/2) is

Answer 1

2(2x-y)=16

2x-y= 8 eq1)

2(x+y)=32

(x+y)= 16 eq 2)

Solving both eqn

x= 8 y=8

So xy/2= 64/2=32 Ans