Question

trình bày chi tiết giúp tôi với

Answer 1

\(\Leftrightarrow2x-\dfrac{1}{2}=\dfrac{-17}{20}\cdot\dfrac{5}{17}=\dfrac{-1}{4}\)

=>2x=1/2-1/4=1/4

hay x=1/8

Answer 2

\(\Leftrightarrow2x-\dfrac{1}{2}=-\dfrac{1}{4}\Leftrightarrow2x=\dfrac{1}{4}\Leftrightarrow x=\dfrac{1}{8}\)

Answer 3

<=>\(\left(2x-\dfrac{1}{2}\right)=\dfrac{-17}{20}.\dfrac{5}{17}\)

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

<=>\(2x=\dfrac{1}{4}\)

<=>\(x=\dfrac{1}{8}\)