document.write( "Question 900731: If x and y satisfy the simultaneous equations $\"+16%5Ex-16%5Ey=+64512+\"$ and $\"+4%5Ex-4%5Ey=+224+\"$ , find the sum of x and y. \n" ); document.write( "

Algebra.Com's Answer #546096 by Edwin McCravy(20062) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( ", and since \r\n" );
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document.write( ", and since \r\n" );
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document.write( "Now we have the system:\r\n" );
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document.write( "Adding the two equations:\r\n" );
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document.write( "Substituting in \r\n" );
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document.write( ", since  and \r\n" );
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document.write( "So \r\n" );
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document.write( "Edwin

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