Respuesta :

Answer:

Step-by-step explanation:

-2+x=-x+2

x+x=2+2

2x=4

x=2

only one solution.
there’s only one solution and it is x=2 because:
1) -2+x=-x+2
2) -2+2x= 2
3) 2x= 4
4) x= 2