Question

por favor me ajudem a encontrar o valor de x.

Answer 1

x / (5/9) = [2 - (1/5)] / (4/9)
9x/5 = (9/5) / (4/9)
9x/5 = (9/5) . (9/4)
9x/5 = 81/20
9x . 20 = 81 . 5
9x . 20 = 405
9x = 405/20
9x = 20,25
x = 20,25/9
x = 2,25