Упростите выражение
б) (4m-2p+3q)-(4p-2q+3m)+(4q-2m+3p)
г) 20а-(4b-5с)+(-17a+3b-c)-(2a-2b-16c)
4m+3m-2m-2p+3p-4p+3q+2q+4q= 6m-3p+9p
20a-17a-2a-4b+3b+2b+5c-c+16c
1a+1b+20c