Question 21323
Yes it is.
Is all you need to do is plug the x and y in and solve.
(2,1/4)
(x,y)
{{{1/4}}}={{{-1/4}}}(2)+{{{3/4}}}
{{{1/4}}}={{{-2/4}}}+{{{3/4}}}
{{{1/4}}}={{{1/4}}}
=)