Question

пажалюста помогите.
1.3а-2+4,6а=
5.7а-8-а=
10.2b-5.3b-6=
7-3.8b-9b=
-3-4.9c+10=
15c+3-2.9c=

Answer 1

= 5.9а - 2
= 4.7а - 8
= 4.9b - 6
= 7 - 12.8b
= 7 - 4.9c
= 12.1c + 3

Answer 2

5,9a+2
4.7a-8
4.9b-6
7-5,2b
7-4,9c
12,1c+3

Answer 3

Только в первом "-", а четвёртом -12.8