cancelStep-by-step explanation:
10) there are infinity values for k
4(k-8)=-32+4k
4k-32=-32+4k
these two equal each other so any value is equal to k
12) there are no values for b
-(3-6b)=6b+5
-3+6b=6b+5
the b's out and you are left with -3=5 which is impossible
Hope that helps :)
