document.write( "Question 76058: the sum of two number is 13. two times a second number minus three times the second number is 1. if you let x stand for the first number and y for the second number, what are the two numbers? \n" ); document.write( "
Algebra.Com's Answer #54637 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The problem seems to have an error, I assume you meant: \n" ); document.write( " \"two times a second number minus three times the first number is 1.\" \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement. \n" ); document.write( ": \n" ); document.write( "\"the sum of two numbers is 13.\" \n" ); document.write( "x + y = 13 \n" ); document.write( "or \n" ); document.write( "x = (13 - y) \n" ); document.write( "or \n" ); document.write( "y = (13 - x) \n" ); document.write( ": \n" ); document.write( "\"two times a second number minus three times the first number is 1\" \n" ); document.write( "2y - 3x = 1 \n" ); document.write( ": \n" ); document.write( "what are the two numbers? \n" ); document.write( ": \n" ); document.write( "Substitute (13-x) for y in the above equation and you have: \n" ); document.write( "2(13-x) - 3x = 1 \n" ); document.write( "26 - 2x - 3x = 1 \n" ); document.write( "-5x = 1 - 26 \n" ); document.write( "x = -25/-5 \n" ); document.write( "x = + 5 \n" ); document.write( ": \n" ); document.write( "y = (13 - 5) = 8 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution using the statement: \n" ); document.write( " \"two times a second number minus three times the first number is 1. \" \n" ); document.write( "2(8) - 3(15) = 1 \n" ); document.write( ": \n" ); document.write( "If this is not what you meant, let me know, the problem can be done that way \n" ); document.write( "You would have: \n" ); document.write( "2y - 3y = 1 \n" ); document.write( "-y = 1 \n" ); document.write( "y = -1 \n" ); document.write( ": \n" ); document.write( "Then: \n" ); document.write( " x + (-1) = 13 \n" ); document.write( "x = 13 + 1 \n" ); document.write( "x = 14 \n" ); document.write( " \n" ); document.write( " |