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OpenStudy (anonymous):
i'm so lost on how to do three linear questions. where do i even begin? x-y+5z=4 5x+z=0 x+4y+z=-16
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OpenStudy (shane_b):
Here, this explains a few different common methods: http://www.sosmath.com/soe/SE3/SE3.html
OpenStudy (anonymous):
thank you!
OpenStudy (shane_b):
yw :)
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