Description
Expresss a single loartithm and if possible, siplify log4(3X-5)= 2
log4(3x-5) = 2
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Explanation & Answer
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log4(3X-5)=2 we can write this
3X-5= 4^2
3X-5= 16
3X-5+5 = 16 + 5
3X = 21
X = 21/3
X = 7
answer is X=7
we can write
log a(b) = c
b = a^c
examples
01) log 10(x) = 2
x= 10^2= 100
02) log 2(x+1) = 4
x+1 = 2^4
X+1 = 16
x = 15
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