document.write( "Question 213529: Use the substitution method to solve the system of equations. Enter your answer as an ordered pair.\r
\n" ); document.write( "\n" ); document.write( "3x - y = 7
\n" ); document.write( "2x - 2y = 2
\n" ); document.write( "

Algebra.Com's Answer #161335 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
3x-y=7, y=3x-7
\n" ); document.write( "2x-2y=2
\n" ); document.write( "2x-2(3x-7)=2
\n" ); document.write( "2x-6x+14=2
\n" ); document.write( "-4x=-12
\n" ); document.write( "x=3
\n" ); document.write( "----------------
\n" ); document.write( "3(3)-y=7
\n" ); document.write( "-y=-2
\n" ); document.write( "y=2
\n" ); document.write( "---------------
\n" ); document.write( "2(3)-2(2)=2
\n" ); document.write( "
\n" );