Объяснение:
log4(x+3)-log4(x-1)=2-log4(8)
log4(x+3)-log4(x-1)=log4(16)-log4(8)
log4((x+3)/(x-1))=log4(16/8)
(x+3)/(x-1)=16/8
(x+3/(x-1)=2
x+3=2x-2
-x=-5
x=5
Объяснение:
log4(x+3)-log4(x-1)=2-log4(8)
log4(x+3)-log4(x-1)=log4(16)-log4(8)
log4((x+3)/(x-1))=log4(16/8)
(x+3)/(x-1)=16/8
(x+3/(x-1)=2
x+3=2x-2
-x=-5
x=5