What is the answer to |10x|+10=20 ?

The answer to |10x|+10=20 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 >

|10x|+10=20

∣ 10 x ∣ + 10 = 20

x = - 1 or x = 1

Solution steps

∣ 10 x ∣ + 10 = 20

Move

10

to the right side

∣ 10 x ∣ = 10

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

10 x = - 10 or 10 x = 10

10 x = - 10 or 10 x = 10

x = - 1 or x = 1

∣ 6 - 3 x ∣ = 12

\frac{2 y - 6}{4} = 8

2 - ∣ x - 1 ∣ = 0

- 8 = - ∣ c + 6 ∣

4 - 7 ∣ 5 x - 2 ∣ = - 45