㏒₂(1 - 3x) = 3
ОДЗ 1 - 3x > 0
x < 1/3
по определению логарифма
2³ = 1 - 3х
3х = 1 - 8
3х = -7
х = -7/3
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Verified answer
㏒₂(1 - 3x) = 3
ОДЗ 1 - 3x > 0
x < 1/3
по определению логарифма
2³ = 1 - 3х
3х = 1 - 8
3х = -7
х = -7/3