document.write( "Question 124359: Solve, please.\r
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\n" ); document.write( "\n" ); document.write( "1/4 + 1/x = 1/5 - 3/x\r
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\n" ); document.write( "\n" ); document.write( "Thanks.
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Algebra.Com's Answer #91185 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
1/4+1/X=1/5-3/X
\n" ); document.write( "1/X+3/X=1/5-1/4
\n" ); document.write( "(1+3)/X=(4-5)/20
\n" ); document.write( "4/X=-1/20 NOW CROSS MULTIPLY.
\n" ); document.write( "-X=80
\n" ); document.write( "X=-80 ANSWER.
\n" ); document.write( "PROOF
\n" ); document.write( "1/4-1/80=1/5+3/80
\n" ); document.write( "-1/80-3/80=1/5-1/4
\n" ); document.write( "-4/80=(4-5)/20
\n" ); document.write( "-1/20=-1/20
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