x- (-18)/54 = 7/9
Giải thích
Lời giải:
\(\begin{array}{l}x - \left( { - \frac{{18}}{{54}}} \right) = \frac{7}{9}\\x + \frac{1}{3} = \frac{7}{9}\\x = \frac{7}{9} - \frac{1}{3} = \frac{4}{9}\end{array}\)
Vậy \(x = \frac{4}{9}\)
Lời giải:
\(\begin{array}{l}x - \left( { - \frac{{18}}{{54}}} \right) = \frac{7}{9}\\x + \frac{1}{3} = \frac{7}{9}\\x = \frac{7}{9} - \frac{1}{3} = \frac{4}{9}\end{array}\)
Vậy \(x = \frac{4}{9}\)