1,5(2x-6)+4(x-2)-5(2-3x)
1,5(2х-6)+4(х-2)-5(2-3х)=3х-9+4х-8-10+15х=22х-27
1,5(2x-6)+4(x-2)-5(2-3x) 3x-9+4x-8-10+15x 22x-27