document.write( "Question 5125: Solve and show steps to answer\r
\n" ); document.write( "\n" ); document.write( "7/y - 1/3 = 1/4
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Algebra.Com's Answer #2606 by rapaljer(4671)\"\" \"About 
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\"7%2Fy+-+1%2F3+=+1%2F4\"\r
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\n" ); document.write( "\n" ); document.write( "First multiply both sides of the equation by the LCD, which is 12y:\r
\n" ); document.write( "\n" ); document.write( "\"%2812y%29%2A7%2Fy+-%2812y%29%2A+1%2F3+=+%2812y%29%2A1%2F4\"\r
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\n" ); document.write( "\n" ); document.write( "Divide out ALL the denominators:\r
\n" ); document.write( "\n" ); document.write( "\"84+-+4y+=+3y+\"\r
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\n" ); document.write( "\n" ); document.write( "Add 4y to each side:\r
\n" ); document.write( "\n" ); document.write( "\"84+-+4y+%2B4y++=+3y+%2B+4y\"\r
\n" ); document.write( "\n" ); document.write( "\"84+=+7y+\"\r
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\n" ); document.write( "\n" ); document.write( "Divide both sides by 7:
\n" ); document.write( "\"12+=+y\"\r
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\n" ); document.write( "\n" ); document.write( "Check: Substitute y= 12 in the origianl equation.
\n" ); document.write( "\"7%2F12+-+1%2F3+=+1%2F4\"
\n" ); document.write( "\"7%2F12+-+4%2F12+=+3%2F12+\" It checks!\r
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC\r
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