document.write( "Question 240333: 2/5 = 5/10n + 2????????????????\r
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\n" ); document.write( "\n" ); document.write( "The second one is: 7/10 = 3/8k + 1????????????????
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Algebra.Com's Answer #176646 by Alan3354(69443)\"\" \"About 
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2/5 = 5/10n + 2
\n" ); document.write( "Do you want to solve for n? You didn't say.
\n" ); document.write( "Multiply thru (all terms) by 10 n
\n" ); document.write( "4n = 4 + 20n
\n" ); document.write( "0 = 4 + 16n
\n" ); document.write( "16n = -4
\n" ); document.write( "n = -1/4
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\n" ); document.write( "The second one is: 7/10 = 3/8k + 1
\n" ); document.write( "Multiply by 40k
\n" ); document.write( "28 = 15 + 40k
\n" ); document.write( "40k = 13
\n" ); document.write( "k = 13/40\r
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