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Mathematics 13 Online
OpenStudy (anonymous):

solve x+3y+4z=0 x-2z=8 y+z=3

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

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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