SOLUTION: Last problem I'm having issues with is e^(12-5x)-7=123 I got as far as adding 7 to both sides and got stuck

Question 1042051: Last problem I'm having issues with is
e^(12-5x)-7=123
I got as far as adding 7 to both sides and got stuck
Answer by Edwin McCravy(20055) (Show Source): You can put this solution on YOUR website!






Learn to write exponential equations as logarithm equations:

 and  are equivalent.

So  is equivalent to 



An abbreviation for log_e is ln, so







Get your calculator:



Edwin

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