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)\"\" \"About 
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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
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