Question

x+y=2
x-y=4
solve the system and graph

Answer 1

Add the first equation to the second to obtain

\[2x = 6\]

Now you should be able to figure out what x is. :)

Fro there, put x = (whatever) into the equation x + y = 2 and solve for y.

You can visualize this equation by going to http://www.wolframalpha.com and typing in the equations. It will give a graph also.

Answer 2

Still Confused