Question

(x-7)3=27

Answer 1

\(\left(x-7\right).3=27\)

\(< =>x-7=27:3\)

\(< =>x-7=9\)

\(< =>x=9+7\)

\(< =>x=16\)

Vậy ........

Answer 2

\((x-7).3=27\)

\(x-7=27:3\)

\(x-7=9\)

\(x=9+7\)

\(x=16\)

Vậy \(x=16\)

Answer 3

\(\left(x-7\right)^3=27\)

\(\left(x-7\right)^3=3^3\)

\(x-7=3\)

\(x=3+7\)

\(x=10\)