Question

if x Add y equal 5 and X Subtrated y equal 3 then Find the value of xy​

Answer 1

Answer:

x+y=5

x-y=3

sering,

2x=8

=> x=8/2

=> x=4

x+y=5

=> 4+y=5

=> y=5-4

=> y=1

so, x=4 , y=1

then xy=4.1=4