SOLUTION: Solve each equation using logarithms. If as answer is not exact give the answer to four decimal places 7x = 12

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Solve each equation using logarithms. If as answer is not exact give the answer to four decimal places 7x = 12       Log On


   



Question 392819: Solve each equation using logarithms. If as answer is not exact give the answer to four decimal places
7x = 12

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
I hope you mean 7%5Ex+=+12 instead of 7x+=+12, if the question is intended for the student to use logarithms.

Taking log base 7 of both sides,

x+=+log_7+%2812%29+=+1.2770