Trying to make honor roll <me out

which equation has exactly one solution?
a. 1/2x-2=2x-1/2
b. 1/2x-2=1/2x+2
c. 1/2x-2=1/2x+ -1/2
d. 1/2x-1/2=1/2x+2

  A. 1/2x-2=2x-1/2

Step-by-step explanation:

The other equations are all some form of ...

  0 = <something not zero>

which has no solutions.

Subtract the left side in each case:

  A: 0 = 3/2x +3/2 . . . x = -1

  B: 0 = 4 . . . . . . . . . . . no solution

  C: 0 = 3/2 . . . . . . . . . no solution

  D: 0 = 5/2 . . . . . . . . . no solution

A

Step-by-step explanation:

which of the following can speed up the rate at which the liver breaks  

down alcohol?

question 1 options:

carbohydrates  

coffee  

nothing  

high-protein meals  

step-by-step explanation:

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4