2|3x - 2|= 14 how would you solve this absolute value equation?
2 answers:
Answer:
Step-by-step explanation:
1) 3x - 2 ≥ 0 ⇒ 3x ≥ 2 ⇒ x ≥ 2/3
- 3x - 2 = 7
- 3x = 9
- x = 3 is valid root as 3 ≥ 2/3
2) 3x - 2 < 0 ⇒ 3x < 2 ⇒ x < 2/3
- - (3x - 2) = 7
- 3x - 2 = -7
- 3x = -5
- x = -5/3 is valid root as -5/3 < 2/3
Answer: 2. |3x-2|= 14
|3x-2|=2.7/2
|3x-2|=7
x∈ {3,-5/3
Step-by-step explanation: \frac{5}{3}
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