SOLUTION: solve by substitution y=x y=2x I have the correct answer is (0,0) unsure how they got that answer. Thank you for your explaination

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Question 723196: solve by substitution
y=x
y=2x
I have the correct answer is (0,0) unsure how they got that answer. Thank you for your explaination

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
y=x
y=2x
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Substitute for "y" to get:
x = 2x
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x = 0
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If x = 0, y = 0, since y = x.
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Cheers,
Stan H.