document.write( "Question 725115: whats the sum of the first 29 terms of the following sequence: \r
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Algebra.Com's Answer #443970 by JBarnum(2146)\"\" \"About 
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-9 -3 3 9 15 21 27 33 39 45 51 57 63 69 75 81 87 93 99 105 111 117 123 129 135 141 147 153 159
\n" ); document.write( "Now add them all together the first 4 cancel out
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