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The midpoint of line MN is P(5,5). One of the end points in M(-4,2). Find the coordinate of endpoint N.

User Diman
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-4 + x 2 + y
------- = 5 and ------ = 5
2 2

so x = 10 + 4 = 14 and y = 10 - 2 = 8

endpoint N = (14,8)
User Andrey Markeev
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