diff --git a/basictypes.py b/basictypes.py
index c59dac3..4d3055c 100644
--- a/basictypes.py
+++ b/basictypes.py
@@ -18,10 +18,10 @@ class Point:
         pass
 
     def get_x(self) -> float:
-        pass
+        return self._x
 
     def get_y(self) -> float:
-        pass
+        return self._y
 
     def get_r(self) -> float:
         pass
@@ -48,15 +48,24 @@ class PointWithID(Point):
 
 class Line:
 
+    IDX_M = 0
+    IDX_B = 1
+
     def __init__(self, p1: PointWithID, p2: PointWithID):
         self.wall_id = p1.get_wallid()
-        self.__find_slope(p1, p2)
+        self.m, self.b = self.__find_line(p1, p2)
         v = ValueError()
         if not self.__matching_wall_ids(p1, p2): 
             raise WallIDMismatch('Wall ID for points do not match')
 
-    def __find_slope(self, p1:PointWithID, p2:PointWithID) -> float:
-        pass
+    def __find_line(self, p1:PointWithID, p2:PointWithID) -> float:
+        # m = ((point2[1] - point1[1])/(point2[0] - point1[0]))
+        m = (p2.get_y() - p1.get_y()) / (p2.get_x() - p1.get_x())
+        # Using p1 to find b
+        b = p1.get_y() - (m*p1.get_x())
+        # y = mx + b
+        # b = y - mx
+        return m, b
 
     def __matching_wall_ids(self, p1, p2) -> bool:
         if p1.get_wallid() == p2.get_wallid(): return True