document.write( "Question 942924: solve by substitution \r
\n" ); document.write( "\n" ); document.write( "y=4x-9
\n" ); document.write( "y=x-3
\n" ); document.write( "

Algebra.Com's Answer #574868 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
solve by substitution \r
\n" ); document.write( "\n" ); document.write( "y=4x-9
\n" ); document.write( "y=x-3
\n" ); document.write( "==============
\n" ); document.write( "Since they both = y,
\n" ); document.write( "4x-9 = x-3
\n" ); document.write( "
\n" );