document.write( "Question 505068: The difference of two positive numbers is 8. The larger is twice the smaller decreaed my 7. Find the two numbers. \n" ); document.write( "
Algebra.Com's Answer #339768 by oberobic(2304) ![]() You can put this solution on YOUR website! x & y are two positive integers \n" ); document.write( ". \n" ); document.write( "x = y-8 \n" ); document.write( "or \n" ); document.write( "y = x+8 \n" ); document.write( ". \n" ); document.write( "y = 2x -7 \n" ); document.write( ". \n" ); document.write( "y = y \n" ); document.write( "so \n" ); document.write( "x+8 = 2x-7 \n" ); document.write( "-x = -15 \n" ); document.write( "x = 15 \n" ); document.write( ". \n" ); document.write( "y = x+8 \n" ); document.write( "y = 23 \n" ); document.write( ". \n" ); document.write( "Check the solution. \n" ); document.write( ". \n" ); document.write( "Does y = 2x -7? \n" ); document.write( "y = 23 \n" ); document.write( "2x-7 = 2(15)-7 = 23 \n" ); document.write( "Correct. \n" ); document.write( ". \n" ); document.write( "Answer: The two numbers are 15 and 23. \n" ); document.write( ". \n" ); document.write( "Done. \n" ); document.write( " \n" ); document.write( " |