Answer:

Step-by-step explanation:
I think it’s B
So sorry if it’s wrong
Recommend a show for you to watch it’s criminal minds
<em>45 = 6n + 3n
45 = 9 n
dividing 9 on other side
45 / 9 = n
5 = n
or
n = 5 answer..</em>
5z+7=32
5z+7-7=32-7
5z/5=25/5
z=5
Bro with what i don’t see nun