document.write( "Question 818911: x/5 - y/10 = 4
\n" ); document.write( "x/2 + y/4 = 5 \r
\n" ); document.write( "\n" ); document.write( " Solve the system of equation using the addition method. I have tried different problems over 80+ times never getting them correct and cannot figure out what I am doing wrong. Please someone help me.
\n" ); document.write( "Thank you for your time. I am trying to pass my finals and this is the only problem preventing me from doing so. If I can't figure out how to do it, I cant take my finals. Help! \n" ); document.write( "
Algebra.Com's Answer #492852 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "Clear of fractions first:\r\n" );
document.write( "\r\n" );
document.write( "x/5 - y/10 = 4\r\n" );
document.write( "x/2 + y/4 = 5 \r\n" );
document.write( "\r\n" );
document.write( "Multiply the first one through by LCD = 10\r\n" );
document.write( "Multiply the second one through by LCD = 4\r\n" );
document.write( "\r\n" );
document.write( "2x - y = 40\r\n" );
document.write( "2x + y = 20\r\n" );
document.write( "-----------\r\n" );
document.write( "4x     = 60\r\n" );
document.write( "     x = 15\r\n" );
document.write( "\r\n" );
document.write( "   2x + y = 20\r\n" );
document.write( "2(15) + y = 20\r\n" );
document.write( "   30 + y = 20\r\n" );
document.write( "        y = -10\r\n" );
document.write( "\r\n" );
document.write( "(x,y) = (15,-10)\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );