Question

What is the solution to the equation below? Round your answer to two decimal places. 6+7 • log2 x = 21

A. x = 4.42
B. x = 3.06
C. x = 2.61
D. x = 4.59​

answer is A. X = 4.42

Answer 1

Step-by-step explanation:

6+ 7•log2 x = 21

7.log2 x = 21-6

7. log2 x = 15

log2 x = 15/7

x = 2^(15/7)

x = 4.416 = 4.42