I need help with this

8.1

Step-by-step explanation:

8.1 is the highest as you would look at the first number before the decimal and is the highest in this equation.

the answer is 8.1 to 8 1/2 to 8 7/8

If we are Solving for X, then the answer would be, 0.

Step-by-step explanation: Both of the X's cancel each other out which then makes it 5 - 5 = 0, or, 0 = 5 - 5.

I hope this helped!