Question

solve :

3(n - 2) = 15
pls tell me fast

Answer 1

3(n-2)=15
3n-6=15
3n=15+6
3n=21
N=21/3
N=7 ans

Answer 2

hello friends
3(n-2)=15
3n-6=15
3n=15+6
3n=21
N=21/3
N=7 ans
i think its correct 
i think i did wrong 
if like mark brainlist