ANSWER
The substitution property of equality.
EXPLANATION
We know that:

and that

Since x=5 or 5=x , we can substitute x for 5 wherever we see x in the given equation.
When we do that, we obtain;

This is what we refer to as the substitution property of equality.
To make enough brew for 4 people you would need:
3 frogs
4 1/2 cups of sour milk
14 gerbil tails
52 crickets
2/3 cup of eyeballs
2 Twinkies
<em>Have a luvely day!</em>
Answer:
15 boys dont finish
Step-by-step explanation:
48+a=63
a=15
Answer: x + y = z
Example:
Lets say if x 5 and y is 10 then z would equal 15.
5 + 10 = 15
Hope this helped! :)