1) lg(x-0.09)+log_0.01(9)=0 2) log_0.25(6x-5)=-2

Lg(x-0,09)+log₀,₀₁9=0   ОДЗ: x-0,09>0  x>0,09
lg(x-0,09)+log(10⁻²)9=0
lg(x-0,09)+log₁₀⁻²(1/3)⁻²
lg(x-0,09)+lg(1/3)=0
lg(x-0,09)/(1/3)=0
3(x-0,09)=1
x-0,09=1/3
x=0,09+1/3=9/100+1/3=127/300..
x=127/300.