Question

Solve for n.

Answer 1

12n + 34n = 12
46n = 12
n = 12/46 which reduces to 6/23 <==

Answer 2

First collect like terms
12n+34n=12

Next Divide each side by 46
46n=12

The answer is:
n=$\frac{6}{23}$
or
n= 0.26087