Question

solve x+y = 4,x - y = 2​

Answer 1

$x + y = 4$

$x - y = 2$ [by elimination method]

________

$2x = 6$

$x = 3$

put $x = 3$ in equ-----(1)

so,

$x + y = 4$

$3 + y = 4$

$y = 4 - 3$

$y = 1$