Answer: m
=
−
5
3
Step-by-step explanation:
Change the equation into the form
y
=
m
x
+
c
5
x
+
3
y
=
15
3
y
=
−
5
x
+
15
←
÷
3
y
=
−
5
3
x
+
5
As this is in the slope-intercept form, you can read the slope immediately as
m
=
−
5
3
The y-intercept is +5
Step-by-step explanation: