.10n = 50 n = ?
Something is wrong here..... divide both sides by n and you get : .10 = 50 No Go !
Maybe you mean .1 n = 50 then n= 50/.1 = 500
10n = 50n subtract 50n from both sides
10n - 50n = 0 factor out the n
n (10 - 50) = 0 simplify
n ( -40) = 0 divide both sides by -40
n = 0
+37170 
