Answer:
x = 4
Explanation:
log (x) + log (x + 5) = log (6 x + 12)
log [x (x + 5)] = log (6x + 12)
x(x + 5) = 6x + 12
xx + 5x = 6x + 12
xx - x - 12 = 0
(x -4)(x + 3) = 0
x = 4 or x = -3
but we cannot have negative numbers
so x = 4
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