Given:

To find:
The equation that can be simplified to find the inverse of given equation.
Solution:
We have,

To find the inverse first we have to interchange x and y.

Now, we to solve this equation for y to find the inverse.
So, the equation
can be simplified to find the inverse of given equation.
Therefore, the correct option is 4.
Answer: 5
Step-by-step explanation: I took the test
Answer:
x= 45
Step-by-step explanation:
90-45=x