Question

tim x biet

2x - \(\dfrac{3}{4}\) = x+ \(\dfrac{1}{3}\)  . \(\dfrac{-9}{2}\)

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Answer 1

\(2x-\dfrac{3}{4}=x+\dfrac{1}{3}\cdot\dfrac{-9}{2}\)

\(\Rightarrow2x-x=\dfrac{1}{3}\cdot\dfrac{-9}{2}+\dfrac{3}{4}\)

\(\Rightarrow x=-\dfrac{3}{2}+\dfrac{3}{4}\)

\(\Rightarrow x=-\dfrac{6}{4}+\dfrac{3}{4}=-\dfrac{3}{4}\)

#\(Toru\)