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OpenStudy (anonymous):
Find if no solution, only one solution and if so, find the variables, or infinitely many solutions x-2y+2z=-7 6x-4y-z=-2 7x-6y+z=6
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OpenStudy (anonymous):
i just need the answer if possible
OpenStudy (zepp):
I once learn how to solve that with matrices, but I forgot how :P
OpenStudy (precal):
you are in the 3rd dimension, so what does that mean if you have a soltuion? just curious to see if you know what your solution represents
OpenStudy (zepp):
|dw:1339361575642:dw| I think it should look like that D:
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