log₂(10-5x) = 3 log₂ 5
log₂(10-5x) = log₂ 5³
log₂(10-5x) = log₂ 125
ОДЗ: 10-5х>0
-5x>-10
x< 2
10 - 5x = 125
10 - 125 = 5x
5x = -115
x = - 23
log₂(10-5x) = 3 log₂ 5
log₂(10-5x) = log₂ 5³
log₂(10-5x) = log₂ 125
ОДЗ: 10-5х>0
-5x>-10
x< 2
10 - 5x = 125
10 - 125 = 5x
5x = -115
x = - 23