document.write( "Question 130183: 1/4x-2/7=1/2x+2 \n" ); document.write( "
Algebra.Com's Answer #95116 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1/4x-2/7=1/2x+2 \n" ); document.write( "---------------------- \n" ); document.write( "(1/4x) - (2/7) = 1/(2x+2)\r \n" ); document.write( "\n" ); document.write( "(7-8x)/28x = 1/2x+2 \n" ); document.write( "28x = (7-8x)(2(x+1)) \n" ); document.write( "14x = (7-8x)(x+1) \n" ); document.write( "-8x^2-x+7 = 14x \n" ); document.write( "x^2+15x-7 = 0 \n" ); document.write( "x = [-15 +- sqrt(225-4*-7)]/2 \n" ); document.write( "x = [-15 +- sqrt(253)]/2 \n" ); document.write( "Comment: I'll leave the rest to you. \n" ); document.write( "I have a suspicion the parentheses in the \n" ); document.write( "problem may not be correct. \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |