document.write( "Question 655271: If a certain number, x, is added to 4/(x+1), the result is 3. Find the number. \n" ); document.write( "
Algebra.Com's Answer #409014 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 4/(X+1)+X=3 \n" ); document.write( "4/(X+1)=3-X CROSS MULTIPLY \n" ); document.write( "(3-X)(X+1=4 \n" ); document.write( "3X-X^2+3-X=4 \n" ); document.write( "-X^2+2X+3=4 \n" ); document.write( "X^2-2X-3+4=0 \n" ); document.write( "X^2-2X+1=0 \n" ); document.write( "(X-1)(X-1)=0 \n" ); document.write( "X-1=0 \n" ); document.write( "X=1 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "4/(1+1)+1=3 \n" ); document.write( "4/2+1=3 \n" ); document.write( "2+1=3 \n" ); document.write( "3=3 \n" ); document.write( " \n" ); document.write( " |