2(2x-8)+2x=28 4x-16+2x=28 6x=44 x=7⅔
2(2x-8)+2x=28 4x-16+2x=28 4x-18x=28 -14x=28/-14 x=2 Chyba oto chodzi
2(2x-8)+2x=28 4x-16 +2x=28 4x+2x=28+16 6x=44/6 x=7⅓