Предмет: Математика, автор: Azazell13

log0.4(4x+10)-log0.4 1/5=log0.4 8

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Автор ответа: alialiev10

0

log0.4 (4x+10)/5=log0.4 8
(4x+10)/5= 8
4x+10=40
4x=30
x= 7.5

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