document.write( "Question 807810: sum of three consecutive numbers is 120. Find the middle one?
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Algebra.Com's Answer #486546 by mananth(16946)\"\" \"About 
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let the numbers be x,x+1,x+2\r
\n" ); document.write( "\n" ); document.write( "x+x+1+x+2=120\r
\n" ); document.write( "\n" ); document.write( "3x+3=120\r
\n" ); document.write( "\n" ); document.write( "/3
\n" ); document.write( "x+1=40\r
\n" ); document.write( "\n" ); document.write( "x=39\r
\n" ); document.write( "\n" ); document.write( "39,40,41\r
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