1,2x - 2 - 3 + 4,6x + 6(0,2x - 1)= 1,2x - 2 - 3 + 4,6x + 1,2x - 6= 1,2x + 4,6x + 1,2x - 2 - 3 - 6= 7x - 11
1,2x - 2 - 3 + 4,6x + 6(0,2x - 1)
= 1,2x - 2 - 3 + 4,6x + 1,2x - 6
= 1,2x + 4,6x + 1,2x - 2 - 3 - 6
= 7x - 11