document.write( "Question 271438: Find two numbers such that twice the first exceeds three times the second by 1, and three times the first exceeds twice the second by 14. \n" ); document.write( "
Algebra.Com's Answer #198914 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! let x = the first number \n" ); document.write( "let y = the second number \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement: \n" ); document.write( ": \n" ); document.write( "Find two numbers such that twice the first exceeds three times the second by 1, \n" ); document.write( "2x = 3y + 1 \n" ); document.write( ": \n" ); document.write( "and three times the first exceeds twice the second by 14. \n" ); document.write( "3x = 2y + 14 \n" ); document.write( ": \n" ); document.write( "Multiply the first equation by 2, and the 2nd equation by 3 \n" ); document.write( "4x = 6y + 2 \n" ); document.write( "9x = 6y + 42 \n" ); document.write( "---------------subtraction eliminates y, find x \n" ); document.write( "-5x = -40 \n" ); document.write( "x = +8 \n" ); document.write( ": \n" ); document.write( "Find y using the 1st equation \n" ); document.write( "2(8) = 3y + 1 \n" ); document.write( "16 - 1 = 3y \n" ); document.write( "3y = 15 \n" ); document.write( "y = 5 \n" ); document.write( ": \n" ); document.write( "Check solution in the 2nd equation \n" ); document.write( "3(8) = 2(5) + 14 \n" ); document.write( "24 = 10 + 14 \n" ); document.write( ": \n" ); document.write( "Response to the comment \n" ); document.write( "2x = 3y + 1 is exactly the same thing as 2x - 3y = 1 \n" ); document.write( "and \n" ); document.write( "3x = 2y + 14 is exactly the same thing as 3x - 2y = 14 \n" ); document.write( ": \n" ); document.write( "You can check the solutions in either equation, if you doubt it \n" ); document.write( " |