What is the answer to -3|2x-1|=-15 ?

The answer to -3|2x-1|=-15 is x=-2\lor x=3

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

-3|2x-1|=-15

- 3 ∣ 2 x - 1 ∣ = - 15

x = - 2 or x = 3

Solution steps

- 3 ∣ 2 x - 1 ∣ = - 15

Divide both sides by

- 3

∣ 2 x - 1 ∣ = 5

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

2 x - 1 = - 5 or 2 x - 1 = 5

2 x - 1 = - 5 or 2 x - 1 = 5

x = - 2 or x = 3

4 x = 2 ∣ 6 x - 2 ∣

2 ∣ 4 x - 3 ∣ - 3 = - 3

∣ 6 x + 1 ∣ + 5 = 17

∣ m - 2 ∣ = 2

∣ 3 x + 2 ∣ = 8