Ответ:

№10 - 80

№11 - 10

Объяснение:

№10.

a = 8

b = 6+3*a = 6+3*a = 6+24 = 30

a = b/3*a = 30/3*8 = 10*8 = 80

№11

(х+1+1)b+1+1 = 82

(6+1+1)b+1+1 = 82

8b+2 = 82

8b = 82 - 2 = 80  

b = 80 : 8  = 10