a/ 10/9 - X = 5/7
X = 10/9 - 5/7
X = 25/63.
b/ 8/3 : X = 3/4
X = 8/3 : 3/4
X = 32/9.
10/9 - x = 5/7
x = 10/9 - 5/7 = 25/63
8/3 / x = 3/4
x = 8/3 / 3/4 = 32/9
\(a,x=\dfrac{10}{9}-\dfrac{5}{7}\) \(b,x=\dfrac{8}{3}:\dfrac{3}{4}\)
\(x=\dfrac{32}{9}\)
\(x=\dfrac{25}{63}\)
