document.write( "Question 693509: \r
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\n" ); document.write( "\n" ); document.write( "three times the sum of a number n and 7 is 16
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Algebra.Com's Answer #427434 by checkley79(3341)\"\" \"About 
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3(N+7)=17
\n" ); document.write( "3N+21=17
\n" ); document.write( "3N=17-21
\n" ); document.write( "3N=-4
\n" ); document.write( "N=-4/3 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "3(-4/3+7)=17
\n" ); document.write( "3(-4/3+21/3)=17
\n" ); document.write( "3*17/3=17
\n" ); document.write( "51/3=17
\n" ); document.write( "17=17
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