Question

\(\dfrac{x+18}{9}=\dfrac{x}{27}\)

Answer 1

`( x + 18 )/9 = x/27`

`=> ( 3x + 54 )/27 = x/27`

`=> 3x+54=x`

`=> 3x-x=-54`

`=> 2x=-54`

`=>x=-27`

Vậy `x=-27`