6 Find the cartesian equation of the line which passes through the point (– 2, 4, – 5)
and parallel to the line given by 
3
4
8
3
5
6
x
y
z
+
−
+
=
= 7 The cartesian equation of a line is 
5
4
6
3
7
2
x
y
z
−
+
−
=
=