Answer:
Explanation
This question is asking the value of x. That symbol next to five means plus or minus. So to find both values of x, we will have to do both.
Since the square root of 16 = 4, we can replace that.
x = 5+- 4
So now we do 5+4 to get X=9 and 5-4 to get 1
X = 9
X = 1