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受欢迎的代数 >

-d-6d+3=4-[6-d-(3-2d)]

解答

- d - 6 d + 3 = 4 - [6 - d - (3 - 2 d)]

解答

d = \frac{1}{3}

+1

十进制

d = 0.33333 \dots

求解步骤

- d - 6 d + 3 = 4 - [6 - d - (3 - 2 d)]

同类项相加:

- d - 6 d = - 7 d

- 7 d + 3 = 4 - [6 - d - (3 - 2 d)]

展开

4 - (6 - d - (3 - 2 d)) : - d + 1

- 7 d + 3 = - d + 1

将

3

到右边

- 7 d = - d - 2

将

d

para o lado esquerdo

- 6 d = - 2

两边除以

- 6

d = \frac{1}{3}

作图

流行的例子

(2x-3)/4+(x-1)/2 =(5-x)/2

\frac{2 x - 3}{4} + \frac{x - 1}{2} = \frac{5 - x}{2}

x + \frac{3}{10} = - \frac{2}{5}

4 x - 6 = 2 x - 2

7 - 3 x = 4 - 3 x + 3

\frac{3}{4} f - 5 = 22