Question

log2 ( x + 4 ) = 3
ответ будет х=4 ?

Answer 1

log2(x+4)=3
x+4=3^2
x+4=9
x=9-4
x=5

Answer 2

log2(x+4)=3
x+4=2^3
x+4=8
x=8-4
x=4

Answer 3

отлично