Respuesta :

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Answer:

x = (-1)/2

Step-by-step explanation:

Solve for x:

2 x + 1 = 0

Subtract 1 from both sides:

2 x + (1 - 1) = -1

1 - 1 = 0:

2 x = -1

Divide both sides of 2 x = -1 by 2:

(2 x)/2 = (-1)/2

2/2 = 1:

Answer:  x = (-1)/2