document.write( "Question 1201479: general formula for -18, -16,-14 \n" ); document.write( "
Algebra.Com's Answer #835859 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
Just three terms? Common Difference!\r
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\n" ); document.write( "\n" ); document.write( "\"A%5Bn%5D=-18%2B2%28n-1%29\", and n is from 1, 2, 3.
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