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OpenStudy (anonymous):
I think the answer is (1,3,-2) But i am not sure... Help? Use the elimination method to solve the following system of equations. 2x-y+z=-3 2x+2y+3z=2 3x-3y-z=-4
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jimthompson5910 (jim_thompson5910):
That is the correct answer.
OpenStudy (anonymous):
Thank you!
jimthompson5910 (jim_thompson5910):
You can verify using wolfram alpha
jimthompson5910 (jim_thompson5910):
or you can plug in the potential solutions into each equation and evaluate to verify it that way
OpenStudy (anonymous):
I never tried to verify using wolfram but ill try thanks!
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jimthompson5910 (jim_thompson5910):
http://www.wolframalpha.com/input/?i=2x-y%2Bz%3D-3%2C2x%2B2y%2B3z%3D2%2C3x-3y-z%3D-4
OpenStudy (anonymous):
Cool.
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