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)
Answer:
Step-by-step explanation:
Option A is the correct answer
Because the further process is correct
Yes, it is a doubles fact because it has idk...
I think it’s 3 not sure tho because i forgot most things about it
Answer: The fourth one
Step-by-step explanation: