document.write( "Question 394489: how do i solve this x+12/x=7 \n" ); document.write( "
Algebra.Com's Answer #279893 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
I have changed the topic, since the question is not linear algebra (linear algebra studies vectors, vector spaces, and matrices).\r
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\n" ); document.write( "\n" ); document.write( "Anyway, we have \"x+%2B+12%2Fx+=+7\". Multiplying through by x,\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2+%2B+12+=+7x\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2+-+7x+%2B+12+=+0\"\r
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\n" ); document.write( "\n" ); document.write( "This factors pretty nicely:\r
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\n" ); document.write( "\n" ); document.write( "\"%28x-4%29%28x-3%29+=+0\" --> x = 3, 4
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