Question

\(\dfrac{x-3}{x+5}=\dfrac{5}{7}\)

Answer 1

x=23 nha

Answer 2

`(x-3)/(x+5)=5/7`

`=>(x-3).7=(x+5).5`

`=> 7x-21=5x+25`

`=>7x-5x=21+25`

`=>7x-5x=46`

`=> 2x=46`

`=>x=46:2`

`=>x=23`

 

Answer 3

`7x - 21= 5x + 25`

`2x = 46`

`x = 23`