document.write( "Question 128457: A denominator is 3 times the numerator of a fraction. If 4 is added to the denominator and 2 subtracted from the numerator, the resulting fraction is 3/4. Find the original fraction. \n" ); document.write( "
Algebra.Com's Answer #94038 by checkley71(8403) ![]() You can put this solution on YOUR website! (X-2)/(3X+4)=3/4 CROSS MULTIPLY: \n" ); document.write( "3(3X+4)=4(X-2) \n" ); document.write( "9X+12=4X-8 \n" ); document.write( "9X-4X=-8-12 \n" ); document.write( "5X=-20 \n" ); document.write( "X=-20/5 \n" ); document.write( "X=-4 ANSWER. \n" ); document.write( "PROOF: \n" ); document.write( "-4/3*-4=-4/-12=4/12=1/3 \n" ); document.write( " |