document.write( "Question 991350: 7x – 4y = –7
\n" ); document.write( "5x + y = 22
\n" ); document.write( " \n" ); document.write( "
Algebra.Com's Answer #611266 by macston(5194)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "What exactly is your question?
\n" ); document.write( ".
\n" ); document.write( "5x+y=22
\n" ); document.write( "y=22-5x
\n" ); document.write( ".
\n" ); document.write( "7x–4y=–7
\n" ); document.write( "7x-4(22-5x)=-7
\n" ); document.write( "7x-88+20x=-7
\n" ); document.write( "27x=81
\n" ); document.write( "x=3
\n" ); document.write( ".
\n" ); document.write( "5x+y=22
\n" ); document.write( "5(3)+y=22
\n" ); document.write( "15+y=22
\n" ); document.write( "y=7
\n" ); document.write( ".
\n" ); document.write( "Possible answer: (3,7)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );