Explanation:
If you plug 4 in for x into the equation, the equation becomes this:

When you simplify the equation;

Simplify it further,

That is correct. 6 = 6
Hope that answered the question.
Answer:
y=x+8
Step-by-step explanation:
y= x+8
8 is your y intercept
and your slope is 1 but it's x
Answer:
7 less people
Step-by-step explanation:
You let 10 people off then you let 8 on meaning there are 2 less people. Then 5 more people get off meaning there are 7 less people
97 Adult tickets were sold,
97x3=291
300-97=203 student tickets
$291+$203=$494