Question

I’m really confused on these problems help!!!

Answer 1

12. -6n-20=-2n+4(1-3n) 14n. 7(5a-4)-1=14-8a

-6n-20=-2n+4-12n 35a-29=14-8a

-4n=16-12n 43a=43

8n=16 a=1

N=2