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Solve for x: 2|2x − 2| + 4 = 20.

Group of answer choices

x = 5, x = −3

x = 5, x = −5

x = 3, x = −3

x = −5, x = 3

Respuesta :

hf0028321

Answer:

,

[tex]x = 5 \\ x = - 3[/tex]

Step-by-step explanation:

[tex]2 |2x - 2| + 4 = 20 \\ 2 |2x - 2| = 20 - 4 \\ 2 |2x - 2| = 16 \\ |2x - 2| = 8 \\ 2x - 2 = 8 \: \: \: \: \: \: \: 2x - 2 = - 8 \\ 2x = 8 + 2 \: \: \: \: \: \: 2x = - 8 + 2 \\ 2x = 10 \: \: \: \: 2x = - 6 \\ x = 5 \: \: \: \: \: \: \: \: x = - 3[/tex]

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