Tìm x, biết: 72:{2^4 – 3 – 11.[2^6 – 12.(7x-30)]}-10=2^3 giúp mik nha ai nhanh nhất mik vote 5* nhưng phải đúng nha

`72:{2^4-3-11.[2^6-12.(7x-30)]}-10=2^3`

`72:{16-3-11.[64-12.(7x-30)]}-10=8`

`13-11.[64-12.(7x-30)]}-10=72:8=9`

`3-11.[64-12.(7x-30)]=9`

`11.[64-12.(7x-30)]=11`

`64-12.(7x-30)=11:11=1`

`12.(7x-30)=64-1=63`

`7x-30=\frac{21}{4}`

`7x=141/4`

`x=141/28`