What is the answer to -2|7x-3|+8=0 ?

The answer to -2|7x-3|+8=0 is x=-1/7 \lor x=1

Solve for x: -2|7x-3|+8=0

The solution is x=-1/7 \lor x=1

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

- 2 ∣ 7 x - 3 ∣ + 8 = 0

x = - \frac{1}{7} or x = 1

Decimal Notation

x = - 0.14285 \dots, x = 1

Solution steps

- 2 ∣ 7 x - 3 ∣ + 8 = 0

Move

8

to the right side

- 2 ∣ 7 x - 3 ∣ = - 8

Divide both sides by

- 2

∣ 7 x - 3 ∣ = 4

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

7 x - 3 = - 4 or 7 x - 3 = 4

7 x - 3 = - 4 or 7 x - 3 = 4

x = - \frac{1}{7} or x = 1

2 + 2 (x - 1) = 6

3 x \geq - 6

\frac{( 2.505 \cdot 1 0 ^{- 3} )}{( 6.76 \cdot 1 0 ^{2} )}

∣ 2 x - 9 ∣ \leq 8

What is the answer to -2|7x-3|+8=0 ?
The answer to -2|7x-3|+8=0 is x=-1/7 \lor x=1
Solve for x: -2|7x-3|+8=0
The solution is x=-1/7 \lor x=1