So basically I'm confused and really trying to finish this math class.

Question

the problem is 9d+n=5r and I need to show my steps and what I did math isn't my strongest subject.

Answer 1

9d+n=5r

n=5r-9d

or

r=(9d+n)/5= 9d/5 +n/5

or

d= (5r-n)/9= 5r/9 -n/9