Question

Плиз помогите не могу решить

Answer 1

$|5,2-2a|=(-36,9)*(-frac{1}{3})\|5,2-2a|=12,3\1)quad5,2-2a=12,3quadquadquad2)quad5,2-2a=-12,3\-2a=12,3-5,2quadquadquadquadquad-2a=-12,3-5,2\2a=-7,1quadquadquadquadquadquadquadquadquad2a=17,5\a=-3,55quadquadquadquadquadquadquadquadquad a=8,75\textbf{Otvet:}quad-3,55;quad8,75.$