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OpenStudy (anonymous):
Solving for x,y,and z when there are multiple equations?
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OpenStudy (shamil98):
Matrices or elimination or substitution
OpenStudy (anonymous):
OpenStudy (tkhunny):
Why not save some headaches and multiply ... 1) The top equation by 4 2) The middle equation by 2 3) The bottom equation by 3
OpenStudy (anonymous):
How did you get those numbers?
OpenStudy (tkhunny):
Considering each equation separately, it seemed prudent to get rid fo the silly fractions and decimals. Least common denominator sort of thing.
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OpenStudy (anonymous):
oh, ok thanks
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