document.write( "Question 1104279: show that (an)=(7-3n) is arithmetic and state the common difference and first 4 terms? \n" ); document.write( "

Algebra.Com's Answer #719044 by josgarithmetic(39618) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%287-3%28k%2B1%29%29-%287-3k%29\"$
\n" ); document.write( " $\"%287-3k-3%29-%287-3k%29\"$
\n" ); document.write( " $\"%28-3k%2B4%29-7%2B3k\"$
\n" ); document.write( " $\"-3k%2B4-7%2B3k\"$
\n" ); document.write( " $\"-3\"$
\n" ); document.write( "This $\"-3\"$ looks like a common difference for any k being a whole number. Probably works for integers. \n" ); document.write( "

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