document.write( "Question 647770: could you please help me find the slope of a line that is perpendicular to the line 5x-7y=28\r
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Algebra.Com's Answer #406358 by jim_thompson5910(35256)\"\" \"About 
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Solve for y\r
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\n" ); document.write( "\n" ); document.write( "5x-7y=28 \r
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\n" ); document.write( "\n" ); document.write( "-7y=-5x + 28 \r
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\n" ); document.write( "\n" ); document.write( "y=(-5x + 28)/(-7)\r
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\n" ); document.write( "\n" ); document.write( "y = (-5x)/(-7) + (28)/(-7)\r
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\n" ); document.write( "\n" ); document.write( "y = (5/7)x - 4\r
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\n" ); document.write( "\n" ); document.write( "So the slope is 5/7\r
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\n" ); document.write( "\n" ); document.write( "Flip the fraction and flip the sign to get the final answer of -7/5\r
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