/x3+ > 1/>=x+1 ai bik làm chỉ e với
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a, 7\(\dfrac{3}{5}\) : \(x\) = 5\(\dfrac{4}{15}\) - 1\(\dfrac{1}{6}\)
\(\dfrac{38}{5}\) : \(x\) = \(\dfrac{79}{15}\) - \(\dfrac{7}{6}\)
\(x\) = \(\dfrac{41}{10}\)
\(x\) = \(\dfrac{38}{5}\) : \(\dfrac{41}{10}\)
\(x\) = \(\dfrac{76}{41}\)
b, \(x\) \(\times\) 2\(\dfrac{2}{3}\) = 3\(\dfrac{4}{8}\) + 6\(\dfrac{5}{12}\)
\(x\) \(\times\) \(\dfrac{8}{3}\) = \(\dfrac{7}{2}\) + \(\dfrac{77}{12}\)
\(x\) \(\times\) \(\dfrac{8}{3}\) = \(\dfrac{119}{12}\)
\(x\) = \(\dfrac{119}{12}\)
\(x\) = \(\dfrac{119}{12}\): \(\dfrac{8}{3}\)
\(x\) = \(\dfrac{119}{32}\)
VII.
1. married
3. possible
4. mechanic
VIII.
1. If Susan had a watch, she wouldn't be often late for work.
2. Have you heard about For a Better Future, which supports women in their fight for employment equality?
3. All the food was spoil because someone switched the freezer off.
4. What about visiting Trang An, a natural wonder of our area?
đây là pt 2 ẩn, phương trình 2 ẩn phải có 2 phương trình thì mới làm được