Question

помошите решить задание 427

Answer 1

1)4а+8
2)3м-15
3)9р-9q
4)12a+12b
5)10m-5
6)42c+70d

Answer 2

1) 4(а+2) = 4а + 8;
2) 3(m-5) = 3m - 15;
3) (p-q)*9 = 9p - 9q;
4) 12(a+b) = 12a+ 12b;
5) 5(2m-1) = 10m - 5;
6) (3c+5d)*14 = 42c + 70d;