Question

Câu 2. Tìm x:

b) 2x - \(\dfrac{5}{4}\) = x - \(\dfrac{1}{4}\)

Answer 1

Answer 2

\(2x-\dfrac{5}{4}=x-\dfrac{1}{4}\)
\(2x-x=\dfrac{5}{4}-\dfrac{1}{4}\)
\(x\left(2-1\right)=\dfrac{4}{4}\)
\(x=1\)
Vậy ......

Answer 3

b   \(2x-\dfrac{5}{4}=x-\dfrac{1}{4}\)

     \(2x-x=\dfrac{5}{4}-\dfrac{1}{4}\)

     \(1x=1\Leftrightarrow x=1\)