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Home > CCG > Chapter 7 > Lesson 7.2.2 > Problem 7-65

7-65.

Point is the midpoint of and is the midpoint of . What are the values of and ? Show all work and reasoning.

A line with points A, M, B, and C.  Line A, M is labeled 4, x, minus 1. Line M, B, is labeled, x + 8.  Line B, C, is labeled, 5 y + 2.

How do and relate to each other if is the midpoint? How can you use this to solve for ?

Once you have found , use a similar method to find .