Hi!
Shawna is correct because since it's multiplied to the 5-n you have to do the opposite which is division.
Dexter is also correct because after distributing you can continue solving, there is nothing wrong with that.
Hope this helps!
Answer:
A. 13 + t = 17
Step-by-step explanation:
The top rectangle shows 13 and t, the 13 and t rectangle is the same size as the 17 rectangle so 13 + t = 17. It's not multiplication as there's no multiple's of 13 or t on the diagram.
Answer:
-- Another point

Step-by-step explanation:
Given


Solving (a): Another point
Substitute 1 for x and 8 for f(x) in 

Remove absolute bracket



Substitute 8 for a in 

Let x = -1

Remove absolute bracket


So, another point is:

Solving (b): The value of a
This has been solved in (a) above
