The given options are:
Answer:
Step-by-step explanation:
If Elizabeth has a combined total of 20 apps and movies.
Where:
Number of apps=x
Number of Movies =y
Then:
Their total,
If we subtract x from both sides
x+y-x=-x+20
In Option E
8 apps and 12 movies add up to 20. Therefore, this could also apply.
y= -x+20 and 8 apps and 12 movies
Just took the test and these two were the only two that were right. I don't know why x+y=20 was not correct but it wasn't. Good luck!
It is right but what's the full question
