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26-11-2019
Mathematics

contestada

y=x-4
- 2x + y = 18

Respuesta :

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26-11-2019

Answer:

x = -22

Step-by-step explanation:

-x - 4 = 18

-x - 4 + 4 = 18 + 4

-x = 22

[tex]\frac{-x}{-1} = \frac{22}{-1}[/tex]

x = -22

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