Question

(47)x
(47) 21 = (47)45 find x​

Answer 1

Step-by-step explanation:

Assuming 47x stands for 47^x

47^x * 47^21 = 47^25

Can be written as

47^x+21 = 47^25

x + 21 = 25(since bases are same)

x = 25 - 21 = 4

Answer = 4