\(\frac{5}{6}-x=\frac{-7}{12}+\frac{2}{3}\)
\(\frac{5}{6}-x=\frac{-7}{12}+\frac{8}{12}\)
\(\frac{5}{6}-x=\frac{1}{12}\)
\(x=\frac{5}{6}-\frac{1}{12}\)
\(x=\frac{10}{12}-\frac{1}{12}\)
\(x=\frac{9}{12}\) \(=\frac{3}{4}\)
<=> 5/6 - x = 1/12
<=> -x = 1/12 - 5/6
<=> -x = -3/4
=> x = 3/4
Vậy x = 3/4