Логарифмические уравнения. срочноооооо!!!!!!!!'
1) <=> 5-2x = 5-8 = 2x <=> -3 = 2x <=> x = -3/2 = -1.5 2) =-2 <=> 3+4x = 0.5^(-2) = (1/2)^-2 = 4 => 3-4x= 4 <=> 3-4 = 4x <=> -1 = -4x => x=-1/4 = -0.25