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Popular >

|2x+9|<3

Solution

∣ 2 x + 9 ∣ < 3

Solution

- 6 < x < - 3

+1

Solution steps

∣ 2 x + 9 ∣ < 3

Apply absolute rule: If

∣ u ∣ < a, a > 0

then

- a < u < a

- 3 < 2 x + 9 < 3

2 x + 9 > - 3 and 2 x + 9 < 3

x > - 6 and x < - 3

Merge Overlapping Intervals

- 6 < x < - 3

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\frac{15 !}{5 ! ( 15 - 5 ) !}

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Frequently Asked Questions (FAQ)

What is |2x+9|<3 ?
The solution to |2x+9|<3 is -6<x<-3