What is the answer to 12=71-|5x+9| ?

The answer to 12=71-|5x+9| is x=-68/5 \lor x=10

Solve for x: 12=71-|5x+9|

The solution is x=-68/5 \lor x=10

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

12 = 71 - ∣ 5 x + 9 ∣

x = - \frac{68}{5} or x = 10

Decimal Notation

x = - 13.6, x = 10

Solution steps

12 = 71 - ∣ 5 x + 9 ∣

Move

∣ 5 x + 9 ∣

to the left side

12 + ∣ 5 x + 9 ∣ = 71

Move

12

to the right side

∣ 5 x + 9 ∣ = 59

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

5 x + 9 = - 59 or 5 x + 9 = 59

5 x + 9 = - 59 or 5 x + 9 = 59

x = - \frac{68}{5} or x = 10

- 8 ∣ 6 n - 7 ∣ - 6 = - 14

∣ 2 x - 1 ∣ = - 7

∣ 4 x + 5 ∣ - 2 = 22

∣ - 7 n ∣ = 7

∣ 2 x + 2 ∣ = 4 x - 8

What is the answer to 12=71-|5x+9| ?
The answer to 12=71-|5x+9| is x=-68/5 \lor x=10
Solve for x: 12=71-|5x+9|
The solution is x=-68/5 \lor x=10