What is the answer to |3x|+2=8 ?

The answer to |3x|+2=8 is x=-2\lor x=2

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

|3x|+2=8

∣ 3 x ∣ + 2 = 8

x = - 2 or x = 2

Solution steps

∣ 3 x ∣ + 2 = 8

Move

2

to the right side

∣ 3 x ∣ = 6

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

3 x = - 6 or 3 x = 6

3 x = - 6 or 3 x = 6

x = - 2 or x = 2

\frac{x}{4} = 3

4 ∣ 2 x - 6 ∣ + 5 = 5

∣ x - 2 ∣ = 2 x - 1

3 ∣ 5 - 6 x ∣ - 11 = 13

∣ x + 8 ∣ = - 3 x