What is the answer to 7|8-3x|=21x-49 ?

The answer to 7|8-3x|=21x-49 is x= 5/2

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

7|8-3x|=21x-49

7 ∣ 8 - 3 x ∣ = 21 x - 49

x = \frac{5}{2}

Decimal Notation

x = 2.5

Solution steps

7 ∣ 8 - 3 x ∣ = 21 x - 49

Find positive and negative intervals

x \leq \frac{8}{3}, x > \frac{8}{3}

Solve the inequality for each interval

x = \frac{5}{2} or No Solution

x = \frac{5}{2}

∣ x - 4 ∣ = 15

∣ m - 2 ∣ - 1 = 4

4 ∣ k ∣ + 4 = 16

∣ 4 x + 8 ∣ = 12

\frac{1}{2} x + 5 = 3