Answer:
Y=X+74
Step-by-step explanation:
75=m+b......*
76=2m+b.........**,b=76-2m
then substitute b=76-2m
on the first equation
75=m+76-2m
m=1
b=74
Y=X+74 is the answer
13
Answer: 69
The first option .
m must not be zero