Question

tìm x

Answer 1

\(x:\dfrac{5}{7}=\dfrac{4}{9}+\dfrac{1}{3}\)
\(x:\dfrac{5}{7}=\dfrac{7}{9}\)
\(x=\dfrac{7}{9}.\dfrac{5}{7}=\dfrac{5}{9}\)

Answer 2

\(=>x=\left(\dfrac{4}{9}+\dfrac{1}{3}\right)\times\dfrac{5}{7}=\left(\dfrac{4}{9}+\dfrac{3}{9}\right)\times\dfrac{5}{7}=\dfrac{7}{9}\times\dfrac{5}{7}=\dfrac{5}{9}\)

Answer 3

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