Tìm x thoả mãn
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Bài 3:
a) |x + 3| = \(\frac{4}{5}\) - \(\frac{1}{2}\) + \(\frac{7}{3}\);
b) |x - 7| = \(\frac{1}{4}\) = |-\(\frac{5}{3}\) + \(\frac{1}{5}\)|;
c) |x + \(\frac{2}{3}\)| = \(\frac{1}{2}\) - \(\left( \frac{1}{4} - \frac{2}{3} \right)\);
d) |x - \(\frac{1}{5}\)| = |-\(\frac{5}{2}\)| - \(\left( \frac{1}{4} - \frac{2}{3} \right)\);
e) |x + \(\frac{5}{6}\)| = | \(\frac{1}{5}\) - \(\frac{2}{3}\)| + \(-\frac{3}{4}\);
f) |x| - |-\(\frac{1}{5}\) + \(\frac{1}{3}\)| = \(\frac{1}{9}\) - |-\(\frac{3}{2}\)|;