document.write( "Question 439446: Solve the following two simultaneous equations using matrix method.
\n" ); document.write( " $\"3%28x%29+-+%28y%29+=+%282%29\"$
\n" ); document.write( " $\"6%28x%29+%2B+%28y%29+=+%281%29\"$ \n" ); document.write( "

Algebra.Com's Answer #303752 by Alan3354(69443) $\"\"$ $\"About$

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|3 -1 -2|
\n" ); document.write( "|6 +1 -1|
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\n" ); document.write( "Det = 3*1 - 6(-1) = 9
\n" ); document.write( "x*Det = 1*1 - 1(-2) = 3 --> x = 1/3
\n" ); document.write( "-y*Det = 3*(-1) - 6(-2) = 9 --> y = -1
\n" ); document.write( "---------
\n" ); document.write( "x = 1/3, y = -1
\n" ); document.write( " \n" ); document.write( "

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