document.write( "Question 227962: 2x-3/x-4=5/x-4 I attempted to solve by cross multiplying. Could you please help me by explaining how to solve for x? The problem is 2x-3 over x-4=5 over x-4. \n" ); document.write( "
Algebra.Com's Answer #169343 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 2x-3/x-4=5/x-4 \n" ); document.write( "Cross multiply \n" ); document.write( "(2x-3)*(x-4) = 5(x-4) \n" ); document.write( "Divide by x-4 \n" ); document.write( "2x-3 = 5 \n" ); document.write( "2x = 8 \n" ); document.write( "x = 4 \n" ); document.write( "---------- \n" ); document.write( "The hard way: \n" ); document.write( "2x^2 - 11x + 12 = 5x-20 \n" ); document.write( "2x^2 - 16x + 32 = 0 \n" ); document.write( "x^2 - 8x + 16 = 0 \n" ); document.write( "(x-4)^2 = 0 \n" ); document.write( "x = 4 \n" ); document.write( " \n" ); document.write( " |