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Question
Find x, if : log5 (x - 7) = 1
Sum
Solution
Consider the equation
log5 (x - 7) = 1
⇒ 51 = x - 7
⇒ 5 = x - 7
⇒ x = 5 + 7
⇒ x = 12
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Interchanging Logarithmic and Exponential Forms
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