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 >

-3xln(1/4)=(2x+7)ln(1/8)

解答

- 3 x ln (\frac{1}{4}) = (2 x + 7) ln (\frac{1}{8})

解答

x = - \frac{7}{4}

+1

十进制

x = - 1.75

求解步骤

- 3 x ln (\frac{1}{4}) = (2 x + 7) ln (\frac{1}{8})

展开

(2 x + 7) ln (\frac{1}{8}) : 2 ln (\frac{1}{8}) x + 7 ln (\frac{1}{8})

- 3 x ln (\frac{1}{4}) = 2 ln (\frac{1}{8}) x + 7 ln (\frac{1}{8})

将

2 ln (\frac{1}{8}) x

para o lado esquerdo

12 ln (2) x = 7 ln (\frac{1}{8})

两边除以

12 ln (2)

x = - \frac{7}{4}

作图

流行的例子

10 m - 4 m - 7 = 6 m - 7

(x+9)^2=(x-9)^2+72

(x + 9)^{2} = (x - 9)^{2} + 72

2x+5(3x-1)=x-13

2 x + 5 (3 x - 1) = x - 13

3 = 18 - \frac{5}{4} x

2^{2} = n