document.write( "Question 982644: 2x - y=7 and x^2 + y^2 =7-xy \n" ); document.write( "

Algebra.Com's Answer #603441 by mananth(16946) $\"\"$ $\"About$

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2x - y=7\r
\n" ); document.write( "\n" ); document.write( "y=2x-7\r
\n" ); document.write( "\n" ); document.write( " and x^2 + y^2 =7-xy\r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2%2B%282x-7%29%5E2=7-x%282x-7%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x%5E2%2B4x%5E2-28x%2B49=7-2x%5E2%2B7x\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"7x%5E2-35x%2B42=0\"$ \r
\n" ); document.write( "\n" ); document.write( "/5\r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2-5x%2B6=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2-3x-2x%2B6=0\"$ \r
\n" ); document.write( "\n" ); document.write( "x(x-3)-2(x-3)=0\r
\n" ); document.write( "\n" ); document.write( "(x-2)(x-3)=0\r
\n" ); document.write( "\n" ); document.write( "x= 2 OR 3\r
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