document.write( "Question 659089: The difference between two numbers is 11. Twice the smaller number plus three times the larger number 123. What are these numbers ? \n" ); document.write( "
Algebra.Com's Answer #410672 by nicy12(9)![]() ![]() ![]() You can put this solution on YOUR website! \"The difference between two numbers is 11. Twice the smaller number plus three times the larger number 123. What are these numbers ? \"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let:\r \n" ); document.write( "\n" ); document.write( "x=larger number \n" ); document.write( "y=smaller number \n" ); document.write( "x-y=1 (equation 1) \n" ); document.write( "2y+3x=123 (equation 2)\r \n" ); document.write( "\n" ); document.write( "-------\r \n" ); document.write( "\n" ); document.write( "solve for 'y':\r \n" ); document.write( "\n" ); document.write( "x-y=1\r \n" ); document.write( "\n" ); document.write( "x=y+1\r \n" ); document.write( "\n" ); document.write( "substitute the x to equation 2 to get the value of 'y'\r \n" ); document.write( "\n" ); document.write( "2y+3x=123\r \n" ); document.write( "\n" ); document.write( "2y+3(y+1)=123\r \n" ); document.write( "\n" ); document.write( "2y+3y+3=123\r \n" ); document.write( "\n" ); document.write( "5y+3=123\r \n" ); document.write( "\n" ); document.write( "y=24\r \n" ); document.write( "\n" ); document.write( "substitute the value of 'y' in equation 1 to get the value of 'x' .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x-y=1\r \n" ); document.write( "\n" ); document.write( "x-24=1\r \n" ); document.write( "\n" ); document.write( "x=25\r \n" ); document.write( "\n" ); document.write( "checking: \r \n" ); document.write( "\n" ); document.write( "x-y=1\r \n" ); document.write( "\n" ); document.write( "25-24=1 (correct)\r \n" ); document.write( "\n" ); document.write( "2y+3x=123\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(24)+3(25)=123\r \n" ); document.write( "\n" ); document.write( "48+75=123 (correct)\r \n" ); document.write( "\n" ); document.write( "i hope it helped you :)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |