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OleMash [197]
3 years ago
6

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

Mathematics
1 answer:
Sauron [17]3 years ago
5 0

Answer:

5.209 or A

Step-by-step explanation

5^x-4=7

reserve 4

log sides

x-4 log5 and log7  

x-4=log7/log5

+4 or number of your equation

x=log5/log7 +4

use calculator

get answer

5.209

EDIT: Got a 100 on the test this is correct

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