What is the answer to |-2x+1|-5=-2 ?

The answer to |-2x+1|-5=-2 is x=-1\lor x=2

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

|-2x+1|-5=-2

∣ - 2 x + 1 ∣ - 5 = - 2

x = - 1 or x = 2

Solution steps

∣ - 2 x + 1 ∣ - 5 = - 2

Move

5

to the right side

∣ - 2 x + 1 ∣ = 3

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

- 2 x + 1 = - 3 or - 2 x + 1 = 3

- 2 x + 1 = - 3 or - 2 x + 1 = 3

x = - 1 or x = 2

x^{6} ∣ - 8 + 5 x ∣ - 4 = 38

∣ 3 x + 14 ∣ = - 16

∣ a ∣ = a, a < 0

2 ∣ 4 x - 3 ∣ - 2 = 8

∣ 3 y - 2 ∣ - 2 = 0