Question

log2X-log1/2x=4 помогите пожалуйста

Answer 1

log2[x]-log1/2[x]=4
log2[x]-(log2[x]/log2[1/2])=4
log2[x]-(-log2[x])=4
log2[x]+log2[x]=4
log2[2x]=4
2x=2^4
2x=16
x=8

Answer 2

Вроде так...