Answer:
c is the only choice that looks right to me but I could be wrong though so I would wait till someone else answers this!!!!!
Step-by-step explanation:
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Answer:
Do your homework by yourself
Step-by-step explanation:
Hello,
Adding the 2 equations,
x+y+x-y=k+k ==>2x=2k==>x=k
if x=k, y=k-k=0
solution is (k,0)
