en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

sqrt(2x+81)+9=x

Solution

2 x + 81 + 9 = x

Solution

x = 20

Solution steps

2 x + 81 + 9 = x

Remove square roots

2 x + 81 = x^{2} - 18 x + 81

Solve

2 x + 81 = x^{2} - 18 x + 81 : x = 20, x = 0

x = 20, x = 0

Verify Solutions:

x = 20

True

, x = 0

False

The solution is

x = 20

Popular Examples

sqrt(2w)+sqrt(8w)=4w+1

2 w + 8 w = 4 w + 1

x = 1 - x^{2}

sqrt(3y-1)=2sqrt(8-2y)

3 y - 1 = 2 8 - 2 y

sqrt(2x+3)+sqrt(x+2)=2

2 x + 3 + x + 2 = 2

32 + 4 x = x

Frequently Asked Questions (FAQ)

What is the answer to sqrt(2x+81)+9=x ?
The answer to sqrt(2x+81)+9=x is x=20
Solve for x: sqrt(2x+81)+9=x
The solution is x=20