document.write( "Question 406751: if a number is added to the numerator of 3/4 and twice as much is added to the demominator the result its 4/7. whats the number \n" ); document.write( "
Algebra.Com's Answer #286958 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "Let x represent the number added to the numerator
\n" ); document.write( "Question states***
\n" ); document.write( "\"%283%2Bx%29%2F%284%2B2x%29+=+4%2F7\" |Cross multiplying to solve for x
\n" ); document.write( "Solving for x
\n" ); document.write( " 4(4+2x) = 7(3+x)
\n" ); document.write( " 16 +8x = 21 + 7x
\n" ); document.write( " x = 5
\n" ); document.write( "CHECKING our Answer***
\n" ); document.write( " (3+5)/(4+10) = 8/14 = 4/7 \n" ); document.write( "
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