Asked by student

solve the equation
log (4x)= log5 + log(x-4)

Answers

Answered by Kuai

Log(4x) -log(x -4) = log5

4x/x-4 = 5
4x = 5(x-4)
4x =5x -20
4x -5x 5x -5x -20
-1x = -20
x = 20
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