document.write( "Question 344928: classrooms on one side of the drama building are all numbered with consecutive off intergers. if the first classroom on this side of the buiding numbered d, write an expression in d for the sum of the first seven classroom numbers in a row. then simplify this expression. \n" ); document.write( "

Algebra.Com's Answer #246789 by user_dude2008(1862) $\"\"$ $\"About$

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d+(d+2)+(d+4)+(d+6)+(d+8)+(d+10)+(d+12) = 7d+42 \n" ); document.write( "

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