Question

I can write an equation​

Answer 1

Answer: y = -x + 2

Step-by-step explanation:

If you are familliar with the point-slope form this is very helpful

Point-slope:

$y-y_1=m(x-x_1)$

Plug in our values of $m = -1, y_1=-1,x_1=3$ to get:

$y-(-1) = -1(x-3)$

Simplify

$y+1=-x+3$

$y=-x+2$