16 (a) Write down an equation of a line that is parallel to the line with equation y = "7 - 4x
The line L passes through the points with coordinates (-3, 1) and (2,-2)
(b) Find an equation of the line that is perpendicular to L and passes through the point
with coordinates ( 6,4)
Give your answer in the form ax + by + c 0 where a, b and c are integers,