document.write( "Question 963451: in an arithematic sequence X12=36 and d=5,find X20 and X8
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Algebra.Com's Answer #588589 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5Bn%5D=x%5B0%5D%2B%28n-1%29d\"$
\n" ); document.write( " $\"x%5B12%5D=x%5B0%5D%2B%2812-1%295=36\"$
\n" ); document.write( " $\"x%5B0%5D%2B55=36\"$
\n" ); document.write( " $\"x%5B0%5D=-19\"$
\n" ); document.write( "So then,
\n" ); document.write( " $\"x%5B20%5D=-19%2B%2819%295=76\"$
\n" ); document.write( " $\"x%5B8%5D=-19%2B%287%295=16\"$ \r
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