document.write( "Question 722641: How would I solve n-10/5=10/n+9 \n" ); document.write( "
Algebra.Com's Answer #442814 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"%28n-10%29%2F5=10%2F%28n%2B9%29\" ...cross multiply\r
\n" ); document.write( "\n" ); document.write( "\"%28n-10%29%28n%2B9%29=10%2A5\" \r
\n" ); document.write( "\n" ); document.write( "\"n%5E2%2B9n-10n-90=50\" \r
\n" ); document.write( "\n" ); document.write( "\"n%5E2-n-90-50=0\"\r
\n" ); document.write( "\n" ); document.write( "\"n%5E2-n-140=0\"......use quadratic formula to find \"n\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"n+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"n+=+%28-%28-1%29+%2B-+sqrt%28+%28-1%29%5E2-4%2A1%2A%28-140%29+%29%29%2F%282%2A1%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"n+=+%281+%2B-+sqrt%281%2B560+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"n+=+%281+%2B-+sqrt%28561+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"n+=+%281+%2B-+23.69%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"n+=+%281+%2B23.69%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"n+=+24.69%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"n+=12.345+\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"n+=+%281+-23.69%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"n+=+-22.69%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"n+=-11.345+\"\r
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\n" ); document.write( "\n" ); document.write( "check solutions:\r
\n" ); document.write( "\n" ); document.write( "\"%28n-10%29%2F5=10%2F%28n%2B9%29\"....\"n+=12.345+\"\r
\n" ); document.write( "\n" ); document.write( "\"%2812.345-10%29%2F5=10%2F%2812.345%2B9%29\"\r
\n" ); document.write( "\n" ); document.write( "\"2.345%2F5=10%2F21.345\"\r
\n" ); document.write( "\n" ); document.write( "\"0.469=0.46849\"\r
\n" ); document.write( "\n" ); document.write( "\"0.469=0.469\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28n-10%29%2F5=10%2F%28n%2B9%29\"....\"n+=-11.345+\"\r
\n" ); document.write( "\n" ); document.write( "\"%28-11.345-10%29%2F5=10%2F%28-11.345%2B9%29\"\r
\n" ); document.write( "\n" ); document.write( "\"-21.345%2F5=10%2F-2.345\"\r
\n" ); document.write( "\n" ); document.write( "\"-4.269=-4.269\"\r
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