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Mathematics 7 Online
OpenStudy (anonymous):

Help please!

OpenStudy (anonymous):

OpenStudy (isaiah.feynman):

To write the group of equations as a matrix simply write the coefficients in rectangular array.

OpenStudy (anonymous):

what are the Matrix coefficients?

OpenStudy (isaiah.feynman):

The numbers in front of the x y and z.

OpenStudy (isaiah.feynman):

For example to write the top equation without the x y and z, you do 1 -2 -5 -1

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