Question

Solve 5x − 4 = 7 for x using the change of base formula log base b of y equals log y over log b.

5.209
4.827
−2.791
−3.173

Answer 1

This is the last question thank you so much for your help Alexis.

Answer 2

So it would be A, 5.209

Reasoning:
\[x-4 \log5 /\log7\]
\[x=\log5/\log7+4\]

if you use your calculator then you will get 5.209 c:

Answer 3

Sorry i had to go real quick. Thank you so much.