Question

9 + 3x= 3^25 : 3^22

giúp mình vs nha cảm ơn các bn

Answer 1

=>3x+9=27

hay x=6

Answer 2

6

Answer 3

6

Answer 4

\(9+3x=3^{25}:3^{22}\)
\(9+3x=3^3=27\)
\(3x=18\)
\(=>x=6\)

Answer 5

\(\Rightarrow9+3x=3^3\)
\(\Rightarrow9+3x=27\)
\(\Rightarrow3x=27-9\)
\(\Rightarrow3x=18\)
\(\Rightarrow x=18:3\)
\(\Rightarrow x=6\)

Answer 6

6

Answer 7

6

Answer 8

\(9+3x=3^{25}:3^{22}\\ \Rightarrow3\left(3+x\right)=3^3\\ \Rightarrow3+x=9\\ \Rightarrow x=6\)