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Eliminating z from m-z=2 and n+z=4, we get?

10th Class Federal Board Exams Quizzes MCQs Quizzes Federal Board Class 10th Math Chapter No 2

Question:
Eliminating z from m-z=2 and n+z=4, we get

Option A):
m-n=6
Option B):
m-n=2
Option C):
m+n=2
Option D):
M+n=6

Correct Answer is Option D):
M+n=6