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Question
Solve.
`|7 - 2x | = 5`
Sum
Solution
`|7 - 2x | = 5`
⇒ 7 − 2x = ± 5
⇒ 7 − 2x = 5 or 7 − 2x = − 5
⇒ 2x = 7 − 5 or 2x = 7 + 5
⇒ 2x = 2 or 2x = 12
∴ x = 1 or x = 6
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Absolute Value of Real Numbers
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Chapter 2: Real Numbers - Practice Set 2.5 [Page 33]
