m = 5/27
Step-by-step explanation:
y = m+3x.
If y = 5 and x = 9. Then,
5 = m+3(9)
5= m+27.
m = 5/27.
Answer: m = -22
y=5
x=9
y=m+3x
5=m+3(9)
5=m+27
5-27=m
m=-22