2
3
4
5
Correct answer is C
log10(6x - 4) - log102 = 1
log10(6x - 4) - log102 = log1010
log106x−42 - log1010
6x−42 = 10
6x - 4 = 2 x 10
= 20
6x = 20 + 4
6x = 20
x = 246
x = 4
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