the answer is a
yes
Yes because if 1+0=1 than 0 plus b equals b
a= (+a) or a= (-) b= 2a b= 2a c= (-a) c= (+a)
a=24 b=16 c=18
a+b=a+b
A.
Because there is no way to define the divisors, the equations cannot be evaluated.
a = 20 b = 60 c = 100
B=61
12
A=0 b=0 c=0