document.write( "Question 1125757: The first term of an A.P is -2. If the ratio of 5th and 7th is 5:8, what is the common difference? \n" ); document.write( "
Algebra.Com's Answer #742066 by josgarithmetic(39618)\"\" \"About 
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term number 5, \"-2%2B%285-1%29d=-2%2B4d\"\r
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\n" ); document.write( "\n" ); document.write( "term 7, \"-2%2B6d\"\r
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\n" ); document.write( "\n" ); document.write( "Ratio of terms\r
\n" ); document.write( "\n" ); document.write( "\"%28-2%2B4d%29%2F%28-2%2B6d%29=5%2F8\"\r
\n" ); document.write( "\n" ); document.write( "\"%282d-1%29%2F%283d-1%29=5%2F8\"\r
\n" ); document.write( "\n" ); document.write( "\"5%283d-1%29=8%282d-1%29\"\r
\n" ); document.write( "\n" ); document.write( "\"15d-5=16d-8\"\r
\n" ); document.write( "\n" ); document.write( "\"8-5=d\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28d=3%29\"
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