Question

Помогите фото тут даю 20 баллов

Answer 1

а) 3-1,2p = 0

3 = 6/5p

p = 2,5

б) (3-1,2p)/4 = -1;

3-1,2p = -4;

p = 7/1,2 = 35/6;

в) (3-1,2p)/4 = -1/12;

3,6p-9 = 1;

p = 25/9;

г) (3-1,2p)/4 = 7/10;

7,5-3p = 7;

p = 1/6;