Equation of a plane $Ax+By+Cz=D$ I have question abous parametrization and plane equation.How can I write the equation of a plane in the form $Ax+By+Cz=D$ if it is given as
$$x=2s+3t$$
$$y=s-2t$$
$$z=3s+t$$.

$$x=2s+3t$$
$$y=s-2t$$
$$z=3s+t$$
$x+y=3s+t$
Then $x+y=z$
Thus $$x+y-z=0$$
