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OpenStudy (anonymous):
x+y+z=-5 2x+5y+2=8 -x+6y-3z=59
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OpenStudy (anonymous):
1 1 1 -5 2 5 2 8 -1 6 -3 59 use Gauss-Jordan Elimination
OpenStudy (anonymous):
or use cramer's rule
OpenStudy (anonymous):
cramer's rule argh
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