SOLUTION: x+y=2 x-y=4

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: x+y=2 x-y=4      Log On


   



Question 527602: x+y=2
x-y=4

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=2
x-y=4
-------------
Add and solve for "x":
2x = 6
x = 3
----
Solve for "y":
x + y = 2
3 + y = 2
y = -2
================
Cheers,
Stan H.
================