Respuesta :

Answer:

[tex] - x = 20 \\ so \: x \: will \: be \: = - 20[/tex]

Hope it helps!

Answer: x = -20

Step-by-step explanation:

Question: If -x = 20, then x = ?

Multiply both sides of the equation by -1

(-1)(-x) = (-1)(20)

Simplify (remember that multiplying two negative numbers equals a positive number)

x = -20