1) 3,2а+(а-4)=3,2а+а-4=4,2а+4
2) 5а-(0,7а+8)= 5а-0,7а-8=4,3а-8
3)5,3b-(2b+3)=5,3b-2b+3= 3,3b+3
4)9,6b+(7-0,4b)=9,6b+7-0,4b=9,2 b+7
5)2c-(9-5,1c)=2c-9-5,1c=-3,1-9
6)-5c+(13-6c)= =-5c+13-6c= -11с+13
1) 3,2а+(а-4)=3,2а+а-4=4,2а+4
2) 5а-(0,7а+8)= 5а-0,7а-8=4,3а-8
3)5,3b-(2b+3)=5,3b-2b+3= 3,3b+3
4)9,6b+(7-0,4b)=9,6b+7-0,4b=9,2 b+7
5)2c-(9-5,1c)=2c-9-5,1c=-3,1-9
6)-5c+(13-6c)= =-5c+13-6c= -11с+13