The answer is (d) where x = -1 & 9
You need to translate the angles using this function (x,y) to (x+3,y-3)
first of all find A and B and C
A=(0,3),B=(-1,1),C=(2,1)
After the translation
A'=(3,0),B'=(2,-2),C'=(5,-2)
The point where the lines intersect is (0, 0)
12 - b = -2
12 + 2 = b
14 = b
