5. The line Lı has equation 4y + 3 = 2x. The point A (p, 4) lies on Li.
(a) Find the value of the constant p.
The line L2 passes through the point C (2, 4)
and is perpendicular to Li.
(b)
Find an equation for L2 giving your
answer in the form ax + by +c=0, where a,
b and c are integers.
(5)
The line Li and the line L2 intersect at the
point D.
Find the coordinates of the point D.​