Question: plotting x+2y=3. Just 10 points

How do I plot just 10 points of the equation?

I got ..

with(plots):
a := x+2*y = 3;
implicitplot(a, x = -5 .. 5, y = -5 .. 5, style = point);
 

but I only need 10 points. How do I do that? Thank you

 

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