Question

Solve the linear system:
$x+y=6;x-y=4$

Answer 1

Now,

$x+y=6$......(1) and $x-y=4$....(2).

Now adding (1) and (2) we get,

$2x=10$

or, $x=5$.

Again subtracting (2) from (1) we get,

$2y=2$

or, $y=1$.

So, $x=5,y=1$.