`@Bruh`
`x = 5/7xx(44+2/3xx(44+x ) )`
Sửa đề:
`x=5/7xx[(44 + 2/3xx(44+x)]`
`->` `x` `=` `5/7` `xx` $\dfrac{44+88}{3}$ `+` $\dfrac{2x}{3}$
`->` `x` `=` `5/7xx` $(\dfrac{200}{3}$ `+` $\dfrac{2x}{3})$
`->` `x` `=` `1xx100/21` `+` $\dfrac{10x}{21}$
`->11x/21` `=` `1xx100/21`
`->11x` `=` `(1.100/21)x 21`
`->x` `=` `(1xx100/21)``xx``21/11`
`->x=` `100/11`