Question

np + nm =t, for n

Answer 1

first factor out n

n(p + m) = t

divide both sides by p+m

n = t/(p+m)

does that help?

Answer 2

lgbasallote beat me to the answer - his answer is correct.

Answer 3

Awesome, thanks. I don't know how you did that, you must be some sort of wizard!

Answer 4

years of experience lol

Answer 5

so how do i know to factor out the same variable? Such as:
n - mk = mt*squared*, for m

I don't know how I'd show what power it's at on the computer so i put *Squared*.