Answer:
In basicallity if a question such as this pops up, the correct way to go would first be to graph this. y=x-4 would be equivalent to x=4.
My paper work is below:
y = x - 4
0 = x - 4
-x = -4
x = 4
Hope this helped..
Answer:
1. 4x - 1
2. -2x - 5
3. 20
Step-by-step explanation:
There was a glitch with brainly, so I added the explanation in screenshots.
To find range, you must find the largest number in your data, and subtract it by the smallest number in your data.
In this case...
the Largest (20) - smallest (0) = Range
Answer:

Step-by-step explanation:

4/5 = 0.8 which would be 80%