document.write( "Question 77307: The numerator of a fraction is 5 times the denominator. If 4 is subtracted from the numerator, and added to the denominator, the resulting fraction is equal to 21/9. Find the original fraction \n" ); document.write( "
Algebra.Com's Answer #55399 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! (5X-4)/(X+4)=21/9 CROSS MULTIPLY \n" ); document.write( "9(5X-4)=21(X+4) \n" ); document.write( "45X-36=21X+84 \n" ); document.write( "45X-21X=36+84 \n" ); document.write( "24X=120 \n" ); document.write( "X=120/24 \n" ); document.write( "X=5 ANSWER\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |