document.write( "Question 560913: 3x-y=11
\n" ); document.write( "5y-7x=1 \n" ); document.write( "

Algebra.Com's Answer #364078 by stanbon(75887) $\"\"$ $\"About$

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3x-y=11
\n" ); document.write( "5y-7x=1
\n" ); document.write( "----
\n" ); document.write( "y = 3x-11
\n" ); document.write( "Substitute for \"y\" and solve for \"x\":
\n" ); document.write( "-----
\n" ); document.write( "5(3x-11) - 7x = 1
\n" ); document.write( "15x - 55 - 7x = 1
\n" ); document.write( "8x = 56
\n" ); document.write( "x = 7
\n" ); document.write( "---
\n" ); document.write( "Solve for \"y\":
\n" ); document.write( "y = 3x-11
\n" ); document.write( "y = 3*7-11
\n" ); document.write( "y = 10
\n" ); document.write( "===============
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

\n" );