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受欢迎的代数 >

1/2 (x-1)-(x-3)= 1/3 (x+3)+1/6

解答

\frac{1}{2} (x - 1) - (x - 3) = \frac{1}{3} (x + 3) + \frac{1}{6}

解答

x = \frac{8}{5}

+1

十进制

x = 1.6

求解步骤

\frac{1}{2} (x - 1) - (x - 3) = \frac{1}{3} (x + 3) + \frac{1}{6}

展开

\frac{1}{2} (x - 1) - (x - 3) : \frac{5}{2} - \frac{1}{2} x

展开

\frac{1}{3} (x + 3) + \frac{1}{6} : \frac{7}{6} + \frac{1}{3} x

\frac{5}{2} - \frac{1}{2} x = \frac{7}{6} + \frac{1}{3} x

将

\frac{5}{2}

到右边

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

将

\frac{1}{3} x

para o lado esquerdo

- \frac{5}{6} x = - \frac{4}{3}

在两边乘以

6

- 5 x = - 8

两边除以

- 5

x = \frac{8}{5}

作图

流行的例子

2 (x^{2} - 3) - 8 = - 6

x^{2} - 10 x = 1

- 5 p + 15 > 5

(3x-1)(10x+4)>= (6x-5)(5x-7)

(3 x - 1) (10 x + 4) \geq (6 x - 5) (5 x - 7)

因式分解-x^2-x+42

f a c t or - x^{2} - x + 42