Question

a:=3
b: =a+8
a:=21-b*a
b:=b*(a+1)

Answer 1

b: = 11;

a: = 21 - 11*3=21-33=-12;

b:=11(-12+1) = -121.

Answer 2

b: 3+8=11

a: 21-11*3=21-33=-12

b: 11*(-12+1)=11*(-11)=-121