document.write( "Question 320736: Solve the system of equations: \r
\n" ); document.write( "\n" ); document.write( "X+4Y=9 \r
\n" ); document.write( "\n" ); document.write( "X=5-4Y
\n" ); document.write( "

Algebra.Com's Answer #229773 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
X+4Y=9
\n" ); document.write( "X=5-4Y
\n" ); document.write( "REPLACE X IN THE FIRST EQUATION BY (5-4Y) & SOLVE FOR Y.
\n" ); document.write( "(5-4Y)+4Y=9
\n" ); document.write( "5+0=9 NO SOLUTION.
\n" ); document.write( "
\n" );