What is the answer to 2|x|+3=5 ?

The answer to 2|x|+3=5 is x=-1\lor x=1

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2|x|+3=5

2 ∣ x ∣ + 3 = 5

x = - 1 or x = 1

Solution steps

2 ∣ x ∣ + 3 = 5

Move

3

to the right side

2 ∣ x ∣ = 2

Divide both sides by

2

∣ x ∣ = 1

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

x = - 1 or x = 1

- 8 - ∣ 5 k - 3 ∣ = 20

- ∣ x - 1 ∣ + 3 = - 1

100 - 20 x = ∣ x ∣

∣ x - 2 ∣ + x - 2 = 0

∣ 6 x - 4 ∣ + 3 = 15