Question

Solve 4x + 3 = 9 for x using the change of base formula log base b of y equals log y over log b.

Answer 1

Answer:

-1.415

Step-by-step explanation:

log4 ^9 = x + 3

log9 / log4 = x + 3

0.95424425 / 0.6020599 = x + 3

1.584962725 -3 = x + 3 - 3

x = -1.415037275