(1/4)log(2) x + (1/2)log(2) x + log(2) x = 7
log(2) x^(1/4 + 1/2 + 1) = 7
x^(7/4) = 2^7
x^(7/4) = 16 ^ (7/4)
x = 16
log₁₆x + log₁₆x² + log₁₆x⁴ = 7
log₁₆x·x²·x⁴ = 7
log₁₆x⁷ = 7
x⁷ = 16⁷
x=16
ответ. 16
(1/4)log(2) x + (1/2)log(2) x + log(2) x = 7
log(2) x^(1/4 + 1/2 + 1) = 7
x^(7/4) = 2^7
x^(7/4) = 16 ^ (7/4)
x = 16
log₁₆x + log₁₆x² + log₁₆x⁴ = 7
log₁₆x·x²·x⁴ = 7
log₁₆x⁷ = 7
x⁷ = 16⁷
x=16
ответ. 16