document.write( "Question 367723: Solve the system of equations by the additon method\r
\n" ); document.write( "\n" ); document.write( "3x+3y=-15
\n" ); document.write( "2x-4y+32
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #262126 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"3x%2B3y=-15\"
\n" ); document.write( "1.\"x%2By=-5\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "\"2x-4y=32\"
\n" ); document.write( "2.\"x-2y=16\"
\n" ); document.write( "Subtract eq. 1 from eq. 2,
\n" ); document.write( "\"x-2y-x-y=16-%28-5%29\"
\n" ); document.write( "\"-3y=21\"
\n" ); document.write( "\"highlight%28y=-7%29\"
\n" ); document.write( "Then from eq. 1,
\n" ); document.write( "\"x-7=-5\"
\n" ); document.write( "\"highlight%28x=2%29\"
\n" ); document.write( "
\n" ); document.write( "
\n" );