214k views
0 votes
How do I solve this.

Log 5x = log (2x+9)

User Shizhen
by
7.8k points

1 Answer

3 votes

D:5x\ \textgreater \ 0 \wedge 2x+9\ \textgreater \ 0\\ D:x\ \textgreater \ 0 \wedge 2x\ \textgreater \ -9\\ D:x\ \textgreater \ 0 \wedge x\ \textgreater \ -(9)/(2)\\ D:x\ \textgreater \ 0\\\\ \log5x=\log(2x+9)\\ 5x=2x+9\\ 3x=9\\ x=3
User Jan Klimo
by
7.7k points

No related questions found