document.write( "Question 258538: 14/18=21/n
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Algebra.Com's Answer #190363 by checkley77(12844) $\"\"$ $\"About$

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14/18=21/n
\n" ); document.write( "14n=18*21
\n" ); document.write( "14n=378
\n" ); document.write( "n=378/14
\n" ); document.write( "n=27 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "14/18=21/27
\n" ); document.write( "7/9=7/9 \n" ); document.write( "

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