Answer:
5n+6.7
or
n= -1.34
Explanation:
For the first answer is base on writing the problem while the second is to solve it
The Second answer
5n+6.7=0
-6.7 on both side
5n= -6.7
divide by 5
n= -6.7/5
if you want the answer to be in decimal than your answer is -1.34
But if you want your answer to be a faction than it -6.7/5
hope this help