Respuesta :

bushraabidogun

Answer:

x = 20

Step-by-step explanation:

-20 = -x

[tex]\frac{-20}{-1}[/tex] = [tex]\frac{-x}{-1}[/tex]

Simplify

x = 20
- 20 = - x

multiply both sides by 1

20 = x

x = 20

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