Question

tìm x

1/3+1/2.x=-5/6

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Answer 1

\(\frac{1}{3}+\frac{1}{2}.x=-\frac{5}{6}\)

\(< =>\frac{x}{2}=-\frac{5}{6}-\frac{2}{6}=-\frac{7}{6}\)

\(< =>-7.2=6x\)\(< =>-14=6x\)

\(< =>x=-\frac{14}{6}=-\frac{7}{3}\)

Answer 2

1/3 + 1/2.x = -5/6

          1/2.x = -5/6 - 1/3

          1/2.x = -7/6

                x = -7/6 : 1/2

                x = -7/3

Answer 3

\(\frac{1}{3}+\frac{1}{2}x=\frac{-5}{6}\)

\(\frac{1}{2}x=\frac{-5}{6}-\frac{1}{3}\)

\(\frac{1}{2}x=\frac{-7}{6}\)

      \(x=\frac{-7}{6}:\frac{1}{2}\)

       \(x=\frac{-7}{3}\)

Vậy............................