Question

find
$find x if x + y = 5 and x - y = 7$

Answer 1

heya mate..

given equations.. x + y =5

and... x - y = 7

adding both equations

x + y + x -y = 5+7

=> 2x = 12

=> x = 6

=> y = 5-x = 5-6 = -1

hope it helps you

Answer 2

Here is ur answer.....

Hope it helps u ☺