Question 5513
{{{3/(2x+1)-1/x = 2x/x(2x+1) }}}  I'm not sure exactly what you did, but this is the way it looked for me:


It should look like this, when you multiply both sides by the LCD:
{{{(x(2x+1))*(3/(2x+1))-(x(2x+1))*(1/x) = (x(2x+1))*(2x/x(2x+1)) }}}


Which boils down to this when you clear all the fractions:
{{{3x - (2x+1) = 2x}}}
{{{3x - 2x - 1 = 2x }}}
{{{x-1 = 2x}}}
{{{-1 = x}}}


Check to make sure none of the denoninators are zero, and it looks okay.  It does check if you substitute x= -1 for x.


R^2 at SCC