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Dominick Chandler
Mathematics
14 February, 15:27
Log 10 (x + 3) - log 10 (x-3) = 1
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Skyla Dunlap
14 February, 15:34
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Answer:33/9
Step-by-step explanation:
Log10 (x+3) - Log10 (x-3) = 1
Log10 ((x+3) / (x-3)) = 1
(x+3) / (x-3) = 10^1
(x+3) / (x-3) = 10
Cross multiply
x+3=10 (x-3)
Open brackets
x+3=10x-30
Collect like terms
10x-x=30+3
9x=33
Divide both sides by 9
9x/9=33/9
x=33/9
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