document.write( "Question 932955: solve for the indicated variable in terms of the
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\n" ); document.write( "\n" ); document.write( "a_n = a_1 + (n - 1)d for d (arithmetic progressions)
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Algebra.Com's Answer #566491 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
\"%28an+-+a1%29%2F%28n-1%29\" = d \n" ); document.write( "
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