document.write( "Question 393585: solve for x, \r
\n" ); document.write( "\n" ); document.write( "[-5 0 -1]
\n" ); document.write( "[2 1 0] = 4
\n" ); document.write( "[x 3 0] \n" ); document.write( "

Algebra.Com's Answer #279306 by robertb(5830) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"det%28matrix%283%2C3%2C-5%2C0%2C-1%2C2%2C1%2C0%2Cx%2C3%2C0%29%29+=+4\"$ <==> 0 + 0 - 6 - (-x + 0 + 0) = 4.
\n" ); document.write( "==> -6 + x = 4 ==> x = 10. \n" ); document.write( "

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