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OpenStudy (anonymous):
Help please!
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OpenStudy (anonymous):
OpenStudy (anonymous):
you gotta write them all first a \[ax+by+cz=d\] i.e. in order from x to y to z
OpenStudy (anonymous):
the first line is already in that order, but the other two are not
OpenStudy (anonymous):
2x+y+2z=7 4x+y+z=-1 Is that want you mean?
OpenStudy (anonymous):
is it B?
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OpenStudy (anonymous):
yes, that is the order you need to put them in then you can read off the answer from that
OpenStudy (anonymous):
and yes, it is B
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