document.write( "Question 1067821: Twice a number increased by the product of 2 more than that number and 3 is equal to 21. What is the number?
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Algebra.Com's Answer #682997 by ikleyn(52814)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "2n + (2+n)*3 = 21.\r
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\n" ); document.write( "\n" ); document.write( "The solution is n = 5.\r
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