Question

Answer 1

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a, \(x=1:\left(-\dfrac{1}{3}\right)=-3\)

b, \(\dfrac{2}{3}x=\dfrac{39}{56}\Leftrightarrow x=\dfrac{117}{112}\)

c, \(x=\dfrac{2}{3}:\left(-\dfrac{7}{5}\right)=-\dfrac{10}{21}\)

d, \(\dfrac{5}{9}x=-\dfrac{13}{35}\Leftrightarrow x=-\dfrac{117}{175}\)

Answer 2