If the number of employees, who remained in Company A, Company C,

Directions: Answer the question based on the information given below:

Given table shows the number of employees, who joined and left four different departments (Finance, HR, Marketing, and Operations) of five different companies (A, B, C, D, and E) in a year.

	Finance		HR		Marketing		Operations
Companies	Joined	Left	Joined	Left	Joined	Left	Joined	Left
A	244	y	x	y	404	127	312	x
B	482	x	122	60	x + 14	z	x	y - 16
C	389	128	136	80	z + 100	y	120 + z	y
D	x	126	120 + x	150 + y	212	126	120	z
E	284	y	x - 86	y + 12	234	111	116	36

Note:

1. Total number of employees, who joined in Finance department in all five companies together is 1700.

2. Number of employees, who remained in Company A at the end of the year in the Operations department is 1/9^th of the number of employees, who left Company C in the Marketing department in the year.

3. Number of employees, who remained in Company D in the Operations department at the end of the year is equal to the number of employees, who remained in Company D in the Marketing department at the end of the year.

If the number of employees, who remained in Company A, Company C, and Company E in Finance, Marketing, and Operations departments respectively are represented as M, N, and O respectively at the end of the year, then which of the following equation(s) is correct?

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