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Popular >

|3x-9|>18

Solution

∣ 3 x - 9 ∣ > 18

Solution

x < - 3 or x > 9

+1

Interval Notation

(- \infty, - 3) \cup (9, \infty)

Solution steps

∣ 3 x - 9 ∣ > 18

Apply absolute rule: If

∣ u ∣ > a, a > 0

then

u < - a

or

u > a

3 x - 9 < - 18 or 3 x - 9 > 18

3 x - 9 < - 18 or 3 x - 9 > 18

x < - 3 or x > 9

Popular Examples

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5/7 (x-3)>= 4x+22/7

\frac{5}{7} (x - 3) \geq 4 x + \frac{22}{7}

6x^3+3x>= 4x^2+2

6 x^{3} + 3 x \geq 4 x^{2} + 2

Frequently Asked Questions (FAQ)

What is |3x-9|>18 ?
The solution to |3x-9|>18 is x<-3\lor x>9