SOLUTION: x+y=k x-y=k the solution to the system shown is (0,k) (2,2) (k,0)

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: x+y=k x-y=k the solution to the system shown is (0,k) (2,2) (k,0)      Log On


   

Question 992405: x+y=k
x-y=k
the solution to the system shown is
(0,k)
(2,2)
(k,0)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=k
x-y=k
-----
Add and solve for "x":
2x = 2k
x = k
----
Solve for "y"
k + y =k
y = 0
-----
Solution: (k,0)
Cheers,
Stan H.
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the solution to the system shown is
(0,k)
(2,2)
(k,0)