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How do you solve |8 – 2n| = 4?

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2 and – 6

2 and 6

- 2 and 6

2 and – 6

answer is C.

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Detailed Solution

⇒ |8 – 2n| = 4
⇒ 8 – 2n = 4 or – (8 – 2x) = 4
1: 8 – 2n = 4
⇒ –2n = 4 – 8
⇒ –2n = –4
⇒ 2n = 4

4
⇒ n – 2
⇒ n = 2
⇒ –8 + 2n = 4
⇒ 2n = 4 + 8
⇒ 2n = 12

12
⇒ n = 2
⇒ n = 6
∴ Possible value of n are 2 and 6

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