Question

Find X and Y,x-2y=12x+y=12​

Answer 1

$x - 2y = 12 - - - - - (1)$

$x + y = 12 - - - - - (2)$

$subtract \: \: 2 \: \: by \: \: 1$

$- 2y - y = 0$

$- 3y = 0$

$y = 0$

put y in 2

$x + 0 = 12$

$x = 12$

Answer 2

Answer:

we get y= 0

hence, x=12

hope it will help you