document.write( "Question 977865: The number of sequence is 17 if the second is 3 what is the first number? \n" ); document.write( "
Algebra.Com's Answer #599406 by Fombitz(32388)\"\" \"About 
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What do you mean by \"the number of the sequence is 17\"?
\n" ); document.write( "It's not the first number.
\n" ); document.write( "It's not the second number.
\n" ); document.write( "Is it the common difference between values?
\n" ); document.write( "If so, then
\n" ); document.write( "\"a%5B2%5D=a%5B1%5D%2Bd\"
\n" ); document.write( "\"3=a%5B1%5D%2B17\"
\n" ); document.write( "\"a%5B1%5D=3-17\"
\n" ); document.write( "\"a%5B1%5D=-14\"
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