Question 8599
It looks right to me.

The check looks like this:
{{{5(-1/2) - (-1+1) = 2 - 3 (-1/2 + 2)}}}
{{{-5/2 - 0 = 2-3(3/2)}}}
{{{-5/2 = 2 - 9/2}}}
{{{-5/2 = 4/2- 9/2}}}
{{{-5/2 = -5/2}}}


It's UGLY, but it's correct!!


R^2 at SCC