Answer:
-4/7 =n
Explanation:
2/3 ( 1+n) = -1/2 n
Multiply each side by 6 to get rid of the fractions
6*2/3 ( 1+n) =6* -1/2 n
4(1+n) = -3n
Distribute
4+4n = -3n
Subtract 4n from each side
4+4n -4n = -3n -4n
4 = -7n
Divide each side by -7
4/ -7 = -7n/-7
-4/7 =n