document.write( "Question 667785: The sum of the reciprocals of two consecutive odd numbers is 8/15. Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #415238 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
If \"x\" is any \"odd\" number, then \"x\" and \"x+%2B+2\" are consecutive odd numbers.\r
\n" ); document.write( "\n" ); document.write( "The sum of the reciprocals of two consecutive odd numbers is:\r
\n" ); document.write( "\n" ); document.write( "\"%281%2Fx%29%2B%281%2F%28x%2B2%29%29=8%2F15\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%281%28x%2B2%29%2Fx%28x%2B2%29%29%2B%281x%2Fx%28x%2B2%29%29=8%2F15\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28%28x%2B2%2B1x%29%2Fx%28x%2B2%29%29=8%2F15\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%282x%2B2%29%2F%28x%28x%2B2%29%29=8%2F15\"........cross multiply\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"15%282x%2B2%29=8%2Ax%28x%2B2%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"30x%2B30=8x%5E2%2B16x\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"0=8x%5E2-30x%2B16x-30\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"8x%5E2-14x-30=0\".....replace \"-14x\" with \"10x-24x\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"8x%5E2%2B10x-24x-30=0\"....group\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%288x%5E2-24x%29%2B%2810x-30%29=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"8x%28x-3%29%2B10%28x-3%29=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%288x%2B10%29%28x-3%29=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "solutions: positive solution\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "if \"x-3=0\"......=>.....\"x=3\"\r
\n" ); document.write( "\n" ); document.write( "the numbers are:\r
\n" ); document.write( "\n" ); document.write( "\"3\" and \"5\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "\"%281%2Fx%29%2B%281%2F%28x%2B2%29%29=8%2F15\"\r
\n" ); document.write( "\n" ); document.write( "\"%281%2F3%29%2B%281%2F5%29=8%2F15\"\r
\n" ); document.write( "\n" ); document.write( "\"%281%2A5%2B1%2A3%29%2F15=8%2F15\"\r
\n" ); document.write( "\n" ); document.write( "\"%285%2B3%29%2F15=8%2F15\"\r
\n" ); document.write( "\n" ); document.write( "\"8%2F15=8%2F15\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );