What is the answer to (4x)/5 =(x-2)/7 ?

The answer to (4x)/5 =(x-2)/7 is x=-10/23

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

(4x)/5 =(x-2)/7

\frac{4 x}{5} = \frac{x - 2}{7}

x = - \frac{10}{23}

Decimal Notation

x = - 0.43478 \dots

Solution steps

\frac{4 x}{5} = \frac{x - 2}{7}

Apply fraction cross multiply: if

\frac{a}{b} = \frac{c}{d}

then

a \cdot d = b \cdot c

4 x \cdot 7 = 5 (x - 2)

Simplify

28 x = 5 (x - 2)

Expand

5 (x - 2) : 5 x - 10

28 x = 5 x - 10

Move

5 x

to the left side

23 x = - 10

Divide both sides by

23

x = - \frac{10}{23}

520

- 4 x + 3 < - 6

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

\frac{4 x}{x + 6} < x

x^{3} y - y^{3} x

What is the answer to (4x)/5 =(x-2)/7 ?
The answer to (4x)/5 =(x-2)/7 is x=-10/23
Solve for x: (4x)/5 =(x-2)/7
The solution is x=-10/23