document.write( "Question 417104: the sum of two numbers is 15. Three times one of the numbers is 11 less then five times the other.Find the number. \n" ); document.write( "
Algebra.Com's Answer #292090 by vanebutterfly01(1) ![]() You can put this solution on YOUR website! lets say X and Y are the \"numbers\" so it will be\r \n" ); document.write( "\n" ); document.write( "X+Y=15 \n" ); document.write( "3x-5y=11\r \n" ); document.write( "\n" ); document.write( "so we know that we can multiply so that you able to cancel out the 3x...so \n" ); document.write( "we mulitply x+y=15 mulitply it by negative 3 so it can get canceled out. \n" ); document.write( "so the new equation is -3x-3y=45 \n" ); document.write( "so now you can rewrite it as \r \n" ); document.write( "\n" ); document.write( "-3x-3y=45 \n" ); document.write( " 3x-5y=11 \n" ); document.write( " -8y=36 \n" ); document.write( "so then \n" ); document.write( "-8y divided by -8 is just y so then 36/-8 is -4 \n" ); document.write( "so Y=-4 \n" ); document.write( " \n" ); document.write( " |