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OpenStudy (anonymous):
How many solutions does the following system of linear equations have? x−y=8 −2x + 2y = −16
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OpenStudy (anonymous):
Hint: what happens if you multiply the first equation by -2?
OpenStudy (anonymous):
oohhh, you get the same answer! so it would just keep doing the same thing repeatedly, and therefore the answer is infinitely many
OpenStudy (anonymous):
Yeah, that's the idea.
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