a = 2 (slider from -10 to 10, step 1)
E_a: (2 * (a * x)) + (2 * y) + ((2 - a) * z) = (5 * a) + 2
b = 0 (slider from -10 to 10, step 1)
E_b: ((2 * b) * x) + (2 * y) + ((2 - b) * z) = (5 * b) + 2
s = IntersectPath(E_a, E_b)
PunktaufSchnittgerade = Point(s)
g = Line((1, 0, 2), Vector[(0, -2, 3)])
Schnittpunkt_{E_a und g} = Intersect(E_a, g)