Question

if X + Y equal to 1 and X + Y equal to 7 find the value of x y​

Answer 1

Check your question again

Answer 2

Answer:

ans x+y=1 so from there we get x= y-1

put this value in 2nd equation

so it become

Y-1+y=7... nd on solving this we get y= 2

nd put value of y in 1 we get x= -3

so xy= (-3). 4= -12