document.write( "Question 56588: solve the system:\r
\n" ); document.write( "\n" ); document.write( "4x+5y = -24
\n" ); document.write( "x-5y = 19
\n" ); document.write( "

Algebra.Com's Answer #38399 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
4X+5Y=-24
\n" ); document.write( "X-5Y=19 NOW ADD THESE TWO EQUATIONS
\n" ); document.write( "---------------------
\n" ); document.write( "5X=-5
\n" ); document.write( "X=-5/5
\n" ); document.write( "X=-1
\n" ); document.write( "4*-1+5Y=-24
\n" ); document.write( "-4+5Y=-24
\n" ); document.write( "5Y=-24+4
\n" ); document.write( "5Y=-20
\n" ); document.write( "Y=-20/5
\n" ); document.write( "Y=-4
\n" ); document.write( "PROOF
\n" ); document.write( "-1-5*-4=19
\n" ); document.write( "-1+20=19
\n" ); document.write( "19=19
\n" ); document.write( "
\n" );