answer: no solution
explanation:
first, use distributive property so 3(n+4)=1/2(6n+4) becomes 3n+12=3n+4
secondly, subtract 12 on both sides to get 3n=3n-8
then, subtract 3n on both sides to get 0= -8
this is false because 0 does NOT equal -8. therefore, the answer is no solution