document.write( "Question 877222: y=2x+1 and y=-x-y\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #529666 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
From the second equation,
\n" ); document.write( " $\"2y=-x\"$
\n" ); document.write( " $\"x=-2y\"$
\n" ); document.write( "Substitute into the first equation,
\n" ); document.write( " $\"y=2%28-2y%29%2B1\"$
\n" ); document.write( " $\"y=-4y%2B1\"$
\n" ); document.write( " $\"5y=1\"$
\n" ); document.write( " $\"y=1%2F5\"$
\n" ); document.write( "Then,
\n" ); document.write( " $\"x=-2%281%2F5%29\"$
\n" ); document.write( " $\"x=-2%2F5\"$
\n" ); document.write( " \n" ); document.write( "

\n" );