Question

(12/5-x):5/7=12/5

giúp mk nha

Answer 1

(12/5-x):5/7=12/5

=>12/5-x=12/5x5/7

=>12/5-x=12/7

=>x=12/5-12/7

=>x=24/35

Vậy...

Answer 2

\((\dfrac{12}{5} - x) : \dfrac{5}{7} = \dfrac{12}{5}\)

\( \dfrac{12}{5} - x = \dfrac{12}{5} . \dfrac{5}{7}\)

\(\dfrac{12}{5} - x = \dfrac{12}{7}\)

\(x = \dfrac{12}{5} - \dfrac{12}{7}\)

\(x = \dfrac{24}{35}\)

Vậy \( x = \dfrac{24}{35}\)