en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

-1/2 (4x+20)<-7(x+15/7)

Solution

- \frac{1}{2} (4 x + 20) < - 7 (x + \frac{15}{7})

Solution

x < - 1

+1

Interval Notation

(- \infty, - 1)

Solution steps

- \frac{1}{2} (4 x + 20) < - 7 (x + \frac{15}{7})

Expand

- \frac{1}{2} (4 x + 20) : - 2 x - 10

Expand

- 7 (x + \frac{15}{7}) : - 7 x - 15

- 2 x - 10 < - 7 x - 15

Move

10

to the right side

- 2 x < - 7 x - 5

Move

7 x

to the left side

5 x < - 5

Divide both sides by

5

x < - 1

Popular Examples

2x+8>= 8(x-5)>7(x+3)-x

2 x + 8 \geq 8 (x - 5) > 7 (x + 3) - x

simplify sqrt(-100)simplify

- 100

\frac{x}{4} = \frac{1}{2}

simplify 2/5*1/6 simplify

\frac{2}{5} \cdot \frac{1}{6}

3 x^{2} + 16 = 2

Frequently Asked Questions (FAQ)

What is -1/2 (4x+20)<-7(x+15/7) ?
The solution to -1/2 (4x+20)<-7(x+15/7) is x<-1