What is the answer to (x+a)/2-6+(a-x)/5 =(7a)/(10) ?

The answer to (x+a)/2-6+(a-x)/5 =(7a)/(10) is x=20

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

(x+a)/2-6+(a-x)/5 =(7a)/(10)

\frac{x + a}{2} - 6 + \frac{a - x}{5} = \frac{7 a}{10}

x = 20

Solution steps

\frac{x + a}{2} - 6 + \frac{a - x}{5} = \frac{7 a}{10}

Multiply by LCM

5 (x + a) - 60 + 2 (- x + a) = 7 a

Expand

5 (x + a) - 60 + 2 (- x + a) : 3 x + 7 a - 60

3 x + 7 a - 60 = 7 a

Move

7 a

to the right side

3 x - 60 = 0

Move

60

to the right side

3 x = 60

Divide both sides by

3

x = 20

47 \cdot 0.3 + 77 \cdot 0.1 + 0.6 \cdot x = 65

2 (x + 6) = 32

y, 3 x + 5 y = 4

9 x - (- 2 x + 10) = 3 x + (5 x - 6 x) - (- 5 x - 18)

- 11 - 10 x + 3 x + 2 = 20 - 2 x + 1

What is the answer to (x+a)/2-6+(a-x)/5 =(7a)/(10) ?
The answer to (x+a)/2-6+(a-x)/5 =(7a)/(10) is x=20