Respuesta :

2a+4=10
subtract 4 from 10 and you get 6, then you divide by 2 and a=3

4b-3=17 same here
you do the opposite sign so you add 3 to 17 and you get 20 then you divide by 4 and b=5

3c+5=11
subtract 5 from 11 you get 6 then you divide by 3 and c=2