Step-by-step explanation:
9=-3+n+2n
9+3=n+2n
12=3n
n=12/3
n=4
Answer:
i tink it is a
Step-by-step explanation:
i hope this helps
Answer:
I think x= 5
Step-by-step explanation:
because u put 2 where x is supposed to go so it would be -2(2)+9 and -2(2)=-4 and then add 9 and that =5
Answer:
it hink it would be 30.6. but i'm not really sure is this a muliple question