What is the answer to 2/7 =x^{-0.5} ?

The answer to 2/7 =x^{-0.5} is x= 49/4

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2/7 =x^{-0.5}

\frac{2}{7} = x^{- 0.5}

x = \frac{49}{4}

Decimal Notation

x = 12.25

Solution steps

\frac{2}{7} = x^{- 0.5}

Take both sides of the equation to the power of

- 2 : \frac{49}{4} = x

\frac{49}{4} = x

Switch sides

x = \frac{49}{4}

Verify Solutions:

x = \frac{49}{4}

True

The solution is

x = \frac{49}{4}

(x + 3)^{\frac{2}{3}} - 5 = - 1

x + 1 - 4 = 2 x

(3 x + 5)^{\frac{1}{3}} = 2

6 x + 1 + 2 = 7

26 u - 25 = 25 u - 20