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Popular >

9-|2x+6|<= 5

Solution

9 - ∣ 2 x + 6 ∣ \leq 5

Solution

x \leq - 5 or x \geq - 1

+1

Interval Notation

(- \infty, - 5] \cup [- 1, \infty)

Solution steps

9 - ∣ 2 x + 6 ∣ \leq 5

Move

9

to the right side

- ∣ 2 x + 6 ∣ \leq - 4

Multiply both sides by

- 1

∣ 2 x + 6 ∣ \geq 4

Apply absolute rule: If

∣ u ∣ \geq a, a > 0

then

u \leq - a

or

u \geq a

2 x + 6 \leq - 4 or 2 x + 6 \geq 4

2 x + 6 \leq - 4 or 2 x + 6 \geq 4

x \leq - 5 or x \geq - 1

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4 p^{2} - 4 p - 3

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(\frac{40 y}{5 x y})^{2}

Frequently Asked Questions (FAQ)

What is 9-|2x+6|<= 5 ?
The solution to 9-|2x+6|<= 5 is x<=-5\lor x>=-1