Solve 5x − 4 = 7 for x using the change of base formula log base b of y equals log y over log b.
1 answer:
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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Step-by-step explanation:
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