Given:



To find:
The value of a and PQ.
Solution:
We have,

(CPCTC)
So,


Isolating variable terms, we get


Divide both sides by -2.


Now,




Therefore, the value of a is 8 and the value of PQ is 28.
The Priority is always to parenthesis. It means that in both equations, begin by operating what's inside the parenthesis. Then Subtract what's left.
For the first one you get:



For the second one you get:



Which mean that The 2 equations are not equal, because

Hope this Helps! :D
Answer:
4 and 5
Step-by-step explanation:
4 x 5 = 20
4 + 5 = 9
I think you forgot to mention Susan's current age if not:
x+5
x-4
6x
Answer:
this is the answer
Step-by-step explanation:
A E