SOLUTION: Solve using addition property x+y=k x-y=k

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Question 624385: Solve using addition property
x+y=k
x-y=k
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=k
x-y=k
-------
2x = 2k

x = 2k/2

x = k

------------------------------------

x+y = k

k+y = k

y = k-k

y = 0


So the solutions are x = k and y = 0