document.write( "Question 278195: Find the sum of the first terms of arithmetic sequence 21,16,11,6 \n" ); document.write( "
Algebra.Com's Answer #202450 by jim_thompson5910(35256)\"\" \"About 
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Simply add them up to get 21+16+11+6=54. I'm sure that there's more to the problem. Please post the entire problem. \n" ); document.write( "
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