What is the answer to -3|x|=-9 ?

The answer to -3|x|=-9 is x=-3\lor x=3

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

-3|x|=-9

- 3 ∣ x ∣ = - 9

x = - 3 or x = 3

Solution steps

- 3 ∣ x ∣ = - 9

Divide both sides by

- 3

∣ x ∣ = 3

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

x = - 3 or x = 3

∣ 3 x + 1 ∣ = - 1

5 \cdot ∣ 3 x - 1 ∣ = 20

2 ∣ 3 w ∣ = 12

∣ 2 x - 1 ∣ = x

∣ x - 9 ∣ = x^{2} + 3