4n-2 +7n=2
Not quite anonymous
4n+7n-2=2
11n-2=2
add 2 to both sides
11n=4
n=4/11
4n-2+7n=2
7n-2=2 [since mx+nx=(m+n)x]
7n=2+2
7n=4
n=4
p.s: you don't have your question explained but i think we need to find the value of n.
