Question

हल करें-
12. x+y=14x-y=4​

Answer 1

Adding both the equations

2x=18

x=9

x+y=14

9+y=14

y=5

x=9

y=5

Answer 2

x+y=14

x-y=4

Adding these equations, we get

2x=18

or, x =18/2 =9

Again, x+y =14

or, y=14-x

= 14-9

= 5

So, x =9 and y=5