document.write( "Question 620085: Solve the system of equations by using the inverse of the coefficient matrix.
\n" ); document.write( "-x-2y=8
\n" ); document.write( "3x+4y=24\r
\n" ); document.write( "\n" ); document.write( "also written as: x=x1 and y=x2\r
\n" ); document.write( "\n" ); document.write( "Please help!
\n" ); document.write( "thanks!
\n" ); document.write( "

Algebra.Com's Answer #389906 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "Solve the system of equations by using the inverse of the coefficient matrix.
\n" ); document.write( " -x-2y=8
\n" ); document.write( " 3x+4y=24
\n" ); document.write( "\"M+=+%28matrix%282%2C2%2Ca1%2Cb1%2Ca2%2Cb2%29%29+=+a1b2-b1a2\"
\n" ); document.write( "\"I+=+%281%2F%28a1b2+-+b1a2%29%29%28matrix%282%2C2%2Cb2%2C-b1%2C-a2%2Ca1%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"M+=%28+matrix%282%2C2%2C-1%2C-2%2C3%2C4%29%29\" = 2
\n" ); document.write( "
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