Find an equation of the line passing through the pair of points (4.9) and (3,5). Write the equation in the form AX + By = C.
The equation is 7x + 13y = 80.
Find slope (rise/run) = 4 / 1 = 4
point slope form y -9 = 4 ( x-4) re-arrange
y-9 = 4x - 16
4x -y = 7
+37159 
