Respuesta :

Answer:

D

Step-by-step explanation:

usually when your variable is an exponent you always take the log of both sides.

MrRoyal

The possible first step of solving the equation is log 5^x = log 21

How to determine the first step?

The equation is given as:

5^x = 21

Take the logarithm of both sides of the equation

log 5^x = log 21

The above represents the possible first step of solving the equation

Hence, the possible first step of solving the equation is log 5^x = log 21

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https://brainly.com/question/2972832

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