Question

solve!
12/n-1=10/n+3

n= -18
n= -23
n= -30
or
n= -46

Answer 1

12(n + 3) = 10(n - 1)

Solve now.

Answer 2

I don't know how...

Answer 3

http://www.studygs.net/equations.htm
Here is a tutorial.

Answer 4

-23

Answer 5

Use parenthesis btw

12/n-1=10/n+3

is not the same as

12/(n-1)=10/(n+3)

Also if you take a test are you allowed to use a graphing calculator?

Answer 6

12/(n-1)=10/(n+3) u can cross multiply which is 12n+36=10n-10 that how he got -23