document.write( "Question 1034635: Solve\r
\n" ); document.write( "\n" ); document.write( "What number must be added to the numerator and subtracted from the denominator of 1/2 to produce a fraction equivalent to -8/7?
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Algebra.Com's Answer #649332 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
Call the number x...then we write
\n" ); document.write( "\"%281%2Bx%29%2F%282-x%29+=+-8%2F7\"
\n" ); document.write( "Now cross-multiply and solve
\n" ); document.write( "7(1+x) = -8(2-x)
\n" ); document.write( "7 + 7x = -16 + 8x
\n" ); document.write( "23 = x
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