What is the answer to |w|-8=-1 ?

The answer to |w|-8=-1 is w=-7\lor w=7

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

|w|-8=-1

∣ w ∣ - 8 = - 1

w = - 7 or w = 7

Solution steps

∣ w ∣ - 8 = - 1

Move

8

to the right side

∣ w ∣ = 7

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

w = - 7 or w = 7

∣ d ∣ + 5 = 6

∣ 8 x - 15 ∣ = - 9

∣ x + 3 ∣ + 2 = 5

5 ∣ 3 + 4 k ∣ = - 115

x^{2} - 2 = 1