Answer:

Explanation:
We have the following equation
y=mx+b
where m is the slope
and b is the y intercept
we know that the slope is -1/5 (or -.2)
which means that so far our equation looks like this
y= -.2x+b
which means we need to solve for b
we know that when x= -5 y= 7 which means we can plug in those values and solve for b
we have
7= (-.2*-5)+b
7=1+b
b=6
which means our equation is as follows
y= -1/5x+6