The point-slope form of a line is given by
[tex]y-y_1=m(x-x_1)[/tex]where m is the slope and
[tex]\begin{gathered} (x_1,y_1)=(7,1) \\ (x_2,y_2)=(0,2) \end{gathered}[/tex]are the given points.
The slope can be founded by
[tex]m=\frac{y_2-y_1}{x_2-x_1}=\frac{2-1}{0-7}=-\frac{1}{7}[/tex]By using the first point as the primary one, the answer is:
[tex]y-1_{}=-\frac{1}{7}(x-7_{})[/tex]