en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

|4x+2/5 |+2>= 3

Solution

4 x + \frac{2}{5} + 2 \geq 3

Solution

x \leq - \frac{7}{20} or x \geq \frac{3}{20}

+2

Interval Notation

(- \infty, - \frac{7}{20}] \cup [\frac{3}{20}, \infty)

Decimal Notation

x \leq - 0.35 or x \geq 0.15

Solution steps

4 x + \frac{2}{5} + 2 \geq 3

Move

2

to the right side

4 x + \frac{2}{5} \geq 1

Apply absolute rule: If

∣ u ∣ \geq a, a > 0

then

u \leq - a

or

u \geq a

4 x + \frac{2}{5} \leq - 1 or 4 x + \frac{2}{5} \geq 1

4 x + \frac{2}{5} \leq - 1 or 4 x + \frac{2}{5} \geq 1

x \leq - \frac{7}{20} or x \geq \frac{3}{20}

Popular Examples

13 x^{2} - 9 x = 0

simplify (6/5)^{-2}simplify

(\frac{6}{5})^{- 2}

simplify 2(1/3)simplify

2 (\frac{1}{3})

(n+1)/(n+2)<= (3n+2)/(2n+6)

\frac{n + 1}{n + 2} \leq \frac{3 n + 2}{2 n + 6}

y - 9 y = 0

Frequently Asked Questions (FAQ)

What is |4x+2/5 |+2>= 3 ?
The solution to |4x+2/5 |+2>= 3 is x<=-7/20 \lor x>= 3/20