How do you solve the system x-y=2 and x+y=6 by graphing?

Apr 16, 2017

see explanation

Explanation:

First, rearrange the equations so that y is the subject.

$y = x - 2$
$y = 6 - x$

Then graph these two lines

The answer is where the two lines cross.

$x$ = 4
$y$ = 2