\(a,\left(x+\frac{5}{3}\right)\times\frac{9}{13}=\frac{2}{3}\\ \Rightarrow x+\frac{5}{3}=\frac{26}{27}\\ \Rightarrow x=-\frac{19}{27}\)\(b,43770\div x=560-434\\ \Rightarrow43770\div x=126\\ \Rightarrow x=\frac{7295}{21}\)\(c,x\div3\frac{1}{3}=2\frac{2}{5}+\frac{7}{10}\\ x\div3\frac{1}{3}=\frac{31}{10}\\ x=\frac{31}{3}\)
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sao chỉ có kết quả
a, (x+\(\frac{5}{3}\)) x \(\frac{9}{13}\) = \(\frac{2}{3}\)
x+\(\frac{5}{3}\) =\(\frac{2}{3}\): \(\frac{9}{13}\)
x+\(\frac{5}{3}\) = \(\frac{26}{27}\)
x =\(\frac{26}{27}\)- \(\frac{5}{3}\)
x =