Question

x÷ 5 phần 2- 1 phần 2= âm 2 phần 3

Answer 1

x=-5/12

Answer 2

x : \(\dfrac{5}{2}\) - \(\dfrac{1}{2}\) = \(\dfrac{-2}{3}\)

=> x : \(\dfrac{5}{2}\) = \(\dfrac{-2}{3}+\dfrac{1}{2}\)

=> x : \(\dfrac{5}{2}\) = \(\dfrac{-4}{6}+\dfrac{3}{6}\)

=> x : \(\dfrac{5}{2}\) = \(\dfrac{-4+3}{6}\)

=> x : \(\dfrac{5}{2}\) = \(\dfrac{-1}{6}\)

=> x = \(\dfrac{-1}{6}.\dfrac{5}{2}\)

=> x = \(\dfrac{-5}{12}\)

Vậy x = \(\dfrac{-5}{12}\)

Answer 3

x:\(\dfrac{5}{2}-\dfrac{1}{2}=-\dfrac{2}{3}\)

x:\(\dfrac{5}{2}=-\dfrac{2}{3}+\dfrac{1}{2}\)

x:\(\dfrac{5}{2}\)=-\(\dfrac{1}{6}\)

x=-\(\dfrac{1}{6}\).\(\dfrac{5}{2}\)=\(-\dfrac{5}{12}\)