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How do you solve 4=2^x?

How do you solve 4=2^x?
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4 votes
How do you solve 4=2^x?

User Semo
by
7.7k points

2 Answers

5 votes
4=2^x
Step 1: Flip the equation.
2^x times 4
Step 2: Solve Exponent.
2^x times 4
log2/xlog4(Take log of both sides)
x times (log2 times log4)
x = (log4 times log2)

So, x=2
User NOP Da CALL
by
8.5k points
5 votes
2*2 equels 4 so you find out that x equels 2
User Robertvoliva
by
8.5k points
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