document.write( "Question 289151: x+4/x+2=x+1/x+5 \n" ); document.write( "
Algebra.Com's Answer #209561 by checkley77(12844) ![]() You can put this solution on YOUR website! x+4/x+2=x+1/x+5 cross multiply \n" ); document.write( "(x+2)(x+1)=(x+4)(x+5) \n" ); document.write( "x^2+3x+2=x^2+9x+20 \n" ); document.write( "x^2-x^2+3x-9x=20-2 \n" ); document.write( "-6x=18 \n" ); document.write( "x=18/-6 \n" ); document.write( "x=-3 ans. \n" ); document.write( "Proof: \n" ); document.write( "(-3+4)/(-3+2)=(-3+1)/(-3+5) \n" ); document.write( "1/-1=-2/2 \n" ); document.write( "-1=-1 \n" ); document.write( " \n" ); document.write( " |