mariomintchev
Write the following system of equations as a matrix:
5x+3y=14
xy=1



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mariomintchev
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x y z rhs
5 3 0 14
1 1 0 1
0 0 0 0
is the answer, right?

Thomas9
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The 1 is 1, second row, second column.

mariomintchev
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o yeah duh

Thomas9
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Also the zcolumn is not necessary. You can drop that one and also drop the last row.

mariomintchev
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but it is ok to keep it right?

Thomas9
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It's not wrong, just pointless.

mariomintchev
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yeah, ok. im just gonna keep it because we've been using x, y, z matrices

Thomas9
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All right then.

mariomintchev
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thanks for the backup lol

Thomas9
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Sure, no problem.