有限数学示例

$\frac{| x | + 1}{| x | - 1} = 0$

解题步骤 1

将分子设为等于零。

$| x | + 1 = 0$

解题步骤 2

从等式两边同时减去 $1$ 。

$| x | = - 1$

解题步骤 3

There is no value of $x$ that makes the equation be true since an absolute value can never be negative.

无解

有限数学 示例