document.write( "Question 256812: In an arithmetic sequence, the first term is 4 and the common difference is –2.
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Algebra.Com's Answer #188862 by Edwin McCravy(20056) $\"\"$ $\"About$

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In an arithmetic sequence, the first term is 4 and the common difference is –2.
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document.write( "The formula for the th term,  of an arithmetic sequence with\r\n" );
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document.write( "Substitute , ,  into that formula:\r\n" );
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document.write( "Proof that this is correct:\r\n" );
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document.write( "Edwin

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