Câu hỏi của ha nguyen

Question

tìm x|-2x+1/8|=|1/2-1/3|

Bảo Linh · Accepted Answer

`|-2x+1/8|=|1/2-1/3|``|-2x+1/8|=|(-1)/6|``| -2x + 1/8| = 1/6`$\Rightarrow\left[{}\begin{matrix}2x-\dfrac{1}{8}=\dfrac{1}{6}\-2x+\dfrac{1}{8}=\dfrac{1}{6}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}2x=\dfrac{1}{6}+\dfrac{1}{8}\-2x=\dfrac{1}{6}-\dfrac{1}{8}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}2x=\dfrac{7}{24}\-2x=\dfrac{1}{24}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{24}:2\x=\dfrac{1}{24}:\left(-2\right)\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{24}.\dfrac{1}{2}\x=\dfrac{1}{24}.\dfrac{-1}{2}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{48}\x=-\dfrac{1}{48}\end{matrix}\right.$Vậy..... `#BaoL i n h`Câu trả lời: `|-2x+1/8|=|1/2-1/3|``|-2x+1/8|=|(-1)/6|``| -2x + 1/8| = 1/6`$\Rightarrow\left[{}\begin{matrix}2x-\dfrac{1}{8}=\dfrac{1}{6}\-2x+\dfrac{1}{8}=\dfrac{1}{6}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}2x=\dfrac{1}{6}+\dfrac{1}{8}\-2x=\dfrac{1}{6}-\dfrac{1}{8}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}2x=\dfrac{7}{24}\-2x=\dfrac{1}{24}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{24}:2\x=\dfrac{1}{24}:\left(-2\right)\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{24}.\dfrac{1}{2}\x=\dfrac{1}{24}.\dfrac{-1}{2}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{48}\x=-\dfrac{1}{48}\end{matrix}\right.$Vậy..... `#BaoL i n h`

Chuu · Answer

`|-2x+1/8|=|1/2-1/3|``| -2x + 1/8| = 1/6`$\Rightarrow\left[{}\begin{matrix}2x-\dfrac{1}{8}=\dfrac{1}{6}\-2x+\dfrac{1}{8}=\dfrac{1}{6}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}2x=\dfrac{1}{6}+\dfrac{1}{8}\-2x=\dfrac{1}{6}-\dfrac{1}{8}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}2x=\dfrac{7}{24}\-2x=\dfrac{1}{24}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{24}:2\x=\dfrac{1}{24}:\left(-2\right)\end{matrix}\right.$ $\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{48}\x=-\dfrac{1}{48}\end{matrix}\right.$ `#LeMichael`Câu trả lời: `|-2x+1/8|=|1/2-1/3|``| -2x + 1/8| = 1/6`$\Rightarrow\left[{}\begin{matrix}2x-\dfrac{1}{8}=\dfrac{1}{6}\-2x+\dfrac{1}{8}=\dfrac{1}{6}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}2x=\dfrac{1}{6}+\dfrac{1}{8}\-2x=\dfrac{1}{6}-\dfrac{1}{8}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}2x=\dfrac{7}{24}\-2x=\dfrac{1}{24}\end{matrix}\right.$$\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{24}:2\x=\dfrac{1}{24}:\left(-2\right)\end{matrix}\right.$ $\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{48}\x=-\dfrac{1}{48}\end{matrix}\right.$ `#LeMichael`

Khoá học trên OLM (olm.vn)

Khoá học trên OLM (olm.vn)