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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 (turingtest):
multiply the second and third equation by 2 and you will be able to eliminate the z variable let me know what you get for that and I'll help you from there.
OpenStudy (precal):
@TuringTest asker only wants the solution, not interested in the process, I already tried
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