document.write( "Question 1020824: Given the following system of equations :
\n" ); document.write( "2x+3y=12
\n" ); document.write( "2x-2y=2\r
\n" ); document.write( "\n" ); document.write( "What is the value of x+y?
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #636649 by FrankM(1040)\"\" \"About 
You can put this solution on YOUR website!
2x+3y=12
\n" ); document.write( "2x-2y=2\r
\n" ); document.write( "\n" ); document.write( "Subtract equation 2 from equation 1\r
\n" ); document.write( "\n" ); document.write( "0x+5y=10\r
\n" ); document.write( "\n" ); document.write( "y=2\r
\n" ); document.write( "\n" ); document.write( "substitute \r
\n" ); document.write( "\n" ); document.write( "2x-2(2)=2\r
\n" ); document.write( "\n" ); document.write( "2x-4=2\r
\n" ); document.write( "\n" ); document.write( "2x=6\r
\n" ); document.write( "\n" ); document.write( "x=3\r
\n" ); document.write( "\n" ); document.write( "y=2, x=3\r
\n" ); document.write( "\n" ); document.write( "x+y=5, right?
\n" ); document.write( "
\n" );