document.write( "Question 1154461: If an= 27 , a1= -12 and d=3 find n \n" ); document.write( "
Algebra.Com's Answer #776885 by josgarithmetic(39620)\"\" \"About 
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\n" ); document.write( "If an= 27 , a1= -12 and d=3 find n
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\n" ); document.write( "\n" ); document.write( "\"A%5Bn%5D=A%5B1%5D%2Bd%28n-1%29\"\r
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\n" ); document.write( "\n" ); document.write( "You are given \"system%28A%5B1%5D=-12%2Cd=3%2CA%5Bn%5D=27%29\".
\n" ); document.write( "Just substitute and solve.
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