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4 votes
Solve the equation log4(x+20)=3

User Fastcatch
by
3.3k points

2 Answers

3 votes

Answer:

44

Explanation:

log₄(x + 20) = 3

4^(log₄(x + 20)) = 4^3

x + 20 = 4³

x = 44

User Ostas
by
3.1k points
2 votes

Answer:

x= 44

Explanation:

log4(x+20)=3

Raise each side to the base of 4

4^ log4(x+20)= 4^3

x+20 = 64

Subtract 20 from each side

x+20-20 = 64-20

x = 44

User Roney Michael
by
3.6k points