|2х+6|+|2х-8|=kх+12 |2х+6+2х-8|=kх+12 |4х-2|=kх+12 1) 4х-2=kх+12 4х-kх=14 х(4-k)=14 х=14/(4-k) 2) -4х+2=kх+12 -4х-kх= 10 х(-4-k)=10 х=10/(-4-k) может так...