Answer:
The line passes through (1,1) and (3,2). Therefore, its equation is
[tex]y -1 = \frac{2-1}{3-1} (x-1)\\or, y-1 = \frac{1}{2} (x-1)\\or, 2y-2 = x-1\\or, x-2y-1+2=0\\or, x-2y+1=0[/tex]
