What is the answer to |9x+4|=8 ?

The answer to |9x+4|=8 is x=-4/3 \lor x= 4/9

Solve for x: |9x+4|=8

The solution is x=-4/3 \lor x= 4/9

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

∣ 9 x + 4 ∣ = 8

x = - \frac{4}{3} or x = \frac{4}{9}

Decimal Notation

x = - 1.33333 \dots, x = 0.44444 \dots

Solution steps

∣ 9 x + 4 ∣ = 8

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

9 x + 4 = - 8 or 9 x + 4 = 8

9 x + 4 = - 8 or 9 x + 4 = 8

x = - \frac{4}{3} or x = \frac{4}{9}

∣ 2 x - 1 ∣ - 2 = 15

∣ 4 x + 3 ∣ - 9 = - 5

∣ 8 + 5 x ∣ = - x + 7

- 7 ∣ 10 x - 3 ∣ - 4 = - 25

∣ 7 s ∣ = 0