Question

Tìm x: (3x - 6) . 3 = 3⁴

Answer 1

\(\left(3x-6\right).3=3^4\)

\(\Rightarrow3x-6=3^4:3=3^3\)

\(\Rightarrow3x=27+6=33\Rightarrow x=11\)

Chúc bạn học tốt!!!

Answer 2

\(\left(3x-6\right)\cdot3=3^4\\ \left(3x-6\right)=3^4:3\\ \left(3x-6\right)=3\\ 3x=6+3\\ 3x=9\\ x=9:3\\ x=3\)