Answer:

Step-by-step explanation:
<u>Given Equation is:</u>

Adding 9 to both sides
=> 
=> 
Multiplying 2 to both sides
=> -3x = -18 * 2
=> -3x = -36
Dividing both sides by -3
=> x = 12
Answer:
She has 17 video games. (Possible answer.) Hope this helps!
Step-by-step explanation:

-5. -5

2. 2

or 17 since it is less than 17.2
Answer:
i believe it would be 0
Step-by-step explanation:
2*5 = x
2*5 = 10
x = 10
10 + y = x
10 + y = 10
-10 -10
-----------------
y = 0
the number is 0
hope this helps! :D
have a miraculous day!! <3
27 = 2x + 3
- 3 - 3
--------------------
24 = 2x
------ ------
2 2
12 = x or x = 12