Question

Помогите пожалуйста

Answer 1

8) log₄x = 1/3 log₄ 27;   log₄x = log₄ ∛27;    x = ∛27;   x = 3;

10) lgx = 2 - lg2;    lgx = lg100 - lg2;    lgx = lg(100 : 2);   x = 50;

12) lgx = 4 - lg5 - lg2;   lgx = lg (10000 : 5 : 2); lgx = lg 1000; x = 1000;