How to solve for N if M is equal to 11

Question: The coordinate of point M on a number line is 11. If MN=12, what are the possible coordinates for N on the number line?
What is N on the number line?

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Answered By:

Grace H.
Math Tutor Teacher - ...Pre-Algebra, Algebra, Geometry...

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Written Explanation:

We use "substitution" to solve for N. 1) Write what you knowM = 11M + N = 122) Replace M with 1111 + N = 123) Solve for N.11 + N = 12-11. -11 N = 1OR1) Write what you knowM = 11M x N = 12 2) Replace M with 1111 x N = 123) Solve for N.11 x N = 12 11 11 N = 12/11

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