document.write( "Question 751018: A=[1 -1 0]
\n" ); document.write( " [1 0 -1]
\n" ); document.write( " [6 -2 -3] \r
\n" ); document.write( "\n" ); document.write( "B=[-2 -3 1]
\n" ); document.write( " [-3 -3 1]
\n" ); document.write( " [-2 -4 1]\r
\n" ); document.write( "\n" ); document.write( "Solve for x: 3X+4B=A\r
\n" ); document.write( "\n" ); document.write( "If I could get some quick help it would be greatly appreciated. :) \n" ); document.write( "

Algebra.Com's Answer #456943 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "A=[1 -1  0] \r\n" );
document.write( "  [1  0 -1]  \r\n" );
document.write( "  [6 -2 -3] \r\n" );
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document.write( "B=[-2 -3 1]\r\n" );
document.write( "  [-3 -3 1]\r\n" );
document.write( "  [-2 -4 1]\r\n" );
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\n" ); document.write( "Solve for X: 3X+4B=A
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document.write( "Consider the minus sign before the 4 as a plus sign times (-4).\r\n" );
document.write( "That's because we'd rather add matrices than subtract them:\r\n" );
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document.write( "Substitute the matrices in the equation for the letters:\r\n" );
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document.write( "Distribute the (-4) by multiplying it by all 9 elements of the \r\n" );
document.write( "matrix on the far right:\r\n" );
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document.write( "We add the corresponding elements of the matrices on the right:\r\n" );
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document.write( "Finally we multiply both sides by \r\n" );
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document.write( "Distribute the  by multiplying it by all 9 elements of the \r\n" );
document.write( "matrix on the right:\r\n" );
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document.write( "Edwin

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