Question

Помогите решить пж.............................

Answer 1

1) 2(x - 7y+3z) = 2x-14y+6z
2) -35 - 7a+28b
3) -1,2c + 9,6d - 7,2d = -1,2c +2,4d
4) px - 2py + 4,6p
5) 3x - 1,8mx + 0,84nc
6) -6a - 4b+ 2,5c + 4,8