document.write( "Question 756477: .By what should the sum of 2/3 and -3/4 be divided to get 5/4 \n" ); document.write( "
Algebra.Com's Answer #460275 by nerdybill(7384)\"\" \"About 
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.By what should the sum of 2/3 and -3/4 be divided to get 5/4
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\n" ); document.write( "Let x = number
\n" ); document.write( "then
\n" ); document.write( "(2/3 - 3/4)/x = 5/4
\n" ); document.write( "cross multiplying we get:
\n" ); document.write( "5x = 4(2/3 - 3/4)
\n" ); document.write( "5x = 8/3 - 3
\n" ); document.write( "multiplying both sides by 3:
\n" ); document.write( "15x = 8 - 9
\n" ); document.write( "15x = -1
\n" ); document.write( "x = -1/15\r
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