The Only Constant Solution Of $\frac { d x } { d t } = 5 x - y - 4 , \frac { d y } { d t } = x + 2 y - 3$

Multiple Choice

The only constant solution of $\frac { d x } { d t } = 5 x - y - 4 , \frac { d y } { d t } = x + 2 y - 3$ is

A) $x = 1 , y = 1$
B) $x = 1$
C) $x = - 1$
D) $x = - 1 , y = - 1$
E) $y = 1$