Question

\(\dfrac{2}{3}x-\dfrac{5}{7}=\dfrac{4}{9}\)

Answer 1

=>2/3x=4/9+5/7=73/63

=>x=73/42

Answer 2

`2/3 x - 5/7=4/9`

`=> 2/3 x=4/9 + 5/7`

`=> 2/3 x=28/63 + 45/63`

`=> 2/3 x=73/63`

`=>x= 73/63:2/3`

`=>x=  73/63 xx 3/2`

`=>x= 219/126`

`=>x=73/42`

`#yLinh`

Answer 3

\(\dfrac{2}{3}x=\dfrac{4}{9}+\dfrac{5}{7}\\ =>\dfrac{2}{3}x=\dfrac{73}{63}=>x=\dfrac{73}{42}\)

Answer 4

2/3x-5/7=4/9

2/3x      =73/63

x           =73/42

vậy x=73/42