Answer:
2x - y = 13
Step-by-step explanation:
To write the equation of a line use the formula [tex]y - y_1 = m(x-x_1)[/tex].
Substitute m = 2 and (4,-5).
[tex]y --5 = 2(x-4)\\y + 5 = 2(x - 4)\\y + 5 = 2x - 8\\y = 2x -13\\-2x + y = -13\\2x - y = 13[/tex]