zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的代数 >

0.5(6x+4)=3x+4

解答

0.5 (6 x + 4) = 3 x + 4

解答

无解

求解步骤

0.5 (6 x + 4) = 3 x + 4

To eliminate decimal points, multiply by 10 for every digit after the decimal pointThere is one digit to the right of the decimal point, therefore multiply by

10

0.5 (6 x + 4) \cdot 10 = 3 x \cdot 10 + 4 \cdot 10

整理后得

5 (6 x + 4) = 30 x + 40

展开

5 (6 x + 4) : 30 x + 20

30 x + 20 = 30 x + 40

将

20

到右边

30 x = 30 x + 20

将

30 x

para o lado esquerdo

0 = 20

两侧不相等

无解

作图

流行的例子

\frac{x}{4} = \frac{x}{5} - 12

4 x - 10 > 2

s im pl i f y \frac{3}{8} \cdot 4

- 3 (x + 3) > 7.5

2 x^{2} + 8 x - 90 = 0