What is the answer to |3x+4|=4 ?

The answer to |3x+4|=4 is x=-8/3 \lor x=0

Solve for x: |3x+4|=4

The solution is x=-8/3 \lor x=0

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

∣ 3 x + 4 ∣ = 4

x = - \frac{8}{3} or x = 0

Decimal Notation

x = - 2.66666 \dots, x = 0

Solution steps

∣ 3 x + 4 ∣ = 4

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

3 x + 4 = - 4 or 3 x + 4 = 4

3 x + 4 = - 4 or 3 x + 4 = 4

x = - \frac{8}{3} or x = 0

∣ 3 x + 4 ∣ = 1

- 8 ∣ p ∣ = 0

∣ u ∣ + 10 = 17

4 ∣ 7 u - 10 ∣ = - 8

∣ 6 x - 5 ∣ = 2