document.write( "Question 982095: In an arithmetic sequence, the sixth term is twice the third term and the 30th term is 60. Find the common difference \n" ); document.write( "
Algebra.Com's Answer #602985 by josgarithmetic(39625)\"\" \"About 
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General Term, \"a%5B1%5D%2B%28n-1%29d\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28a%5B1%5D%2B5d=2%28a%5B1%5D%2B2d%29%2Ca%5B1%5D%2B29d=60%29\"\r
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\n" ); document.write( "\n" ); document.write( "The unknown variables are a[1] and d.
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