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OpenStudy (anonymous):
Solve 3x – 2y + z = -5 -2x + 3y – 3z = 12 3x – 2y – 2z = 4
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OpenStudy (anonymous):
Do you know how to use matricies?
OpenStudy (anonymous):
find x, y, and z
OpenStudy (anonymous):
matrices*
OpenStudy (anonymous):
can I solve through elimination instead?
OpenStudy (anonymous):
You could, I just didnt know how you were meant to solve it
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OpenStudy (anonymous):
however I want but I prefer elimination
OpenStudy (anonymous):
Try adding eq. 1 and 3 together
OpenStudy (anonymous):
oh! I never though of that.... thanks
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