PLEASE HELP TRYING TO MAKE HONOR ROLL < PLEASE HELP 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

Respuesta :

Answer:

  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

Answer:

A

Step-by-step explanation: