Respuesta :

Answer:

C

Step-by-step explanation:

Given

2.5x + 10 = x - 0.5 ( subtract x from both sides )

1.5x + 10 = - 0.5 ( subtract 10 from both sides )

1.5x = - 10.5 ( divide both sides by 1.5 )

x = - 7 → C