Question

if x + y = 12 and x - y = 6 find the value of xy​

Answer 1

Answer:

x= 9

y= 3 I guess according to the question

Answer 2

Answer:

x+y=12 and x-y =6

x+y -( x-y) = 12 -6

x+y-x+y = 6

2y =6

y = 6/2

y = 3

if y = 3

then, x+ 3= 12

x = 12-3 = 9

hence, y=3 and x = 9