What is the answer to -5| r/4 |=-5 ?

The answer to -5| r/4 |=-5 is r=-4\lor r=4

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

-5| r/4 |=-5

- 5 \frac{r}{4} = - 5

r = - 4 or r = 4

Solution steps

- 5 \frac{r}{4} = - 5

Divide both sides by

- 5

\frac{r}{4} = 1

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

\frac{r}{4} = - 1 or \frac{r}{4} = 1

\frac{r}{4} = - 1 or \frac{r}{4} = 1

r = - 4 or r = 4

\frac{k}{3} - 2 = 0

\frac{∣ 3 - 6 p ∣}{- 5} = - 9

∣ 7 x + 4 ∣ = 1

2 ∣ x ∣ - 4 = 16

∣ x - 1 ∣ = 3 - x