To find the second point noted. Set each equation given to 0.
[tex]y = \frac{ - x + 1}{3} [/tex]
And
[tex]y = 2x + 5[/tex]
Then find the intersection point of each. I used my calculator and the intersect function but I believe you can do it mathematically as well. The point is (-2,1).
Then to build the equation I used the slope formula and used the slope to move across the graph to the y intercept.
The equation is
[tex]y = 2x + 5[/tex]
