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OpenStudy (anonymous):
solve x+3y+4z=0 x-2z=8 y+z=3
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OpenStudy (anonymous):
is there any multiple choice?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
are you trying to find out x, y, and z?
OpenStudy (anonymous):
yes the numbers from the multiple choise are all fractions
OpenStudy (anonymous):
okay plug each of them in and see if they fit for instance multiple choice A . plug into x+3y+4z=0 then if it fits plug it into the next one and the next. if they all fit that is the correct choice
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OpenStudy (anonymous):
thanks for the help. Although u tried your best i still cannot understand how it comes out a fraction
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