What is 2x+3<21\land-7x+3<-4 ?

The solution to 2x+3<21\land-7x+3<-4 is 1<x<9

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2x+3<21\land-7x+3<-4

2 x + 3 < 21 and - 7 x + 3 < - 4

1 < x < 9

Interval Notation

(1, 9)

Solution steps

2 x + 3 < 21 and - 7 x + 3 < - 4

2 x + 3 < 21 : x < 9

- 7 x + 3 < - 4 : x > 1

Combine the intervals

x < 9 and x > 1

Merge Overlapping Intervals

1 < x < 9

\frac{a ^{6}}{a ^{- 3}}

x^{4} + 125 x

x^{2} = 3 x \cdot \frac{4}{3}

(\frac{2}{13})^{2} - (\frac{3}{13})^{2}

\frac{2}{9} + \frac{1}{3}