Question

Point M is the midpoint of AB. AM = 3x+3, and AB = 8x-6. What is the length of AM?

Answer 1

AM= 21 Units 
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Answer 2

AB = 8 x - 6

AB = 8 * 6 - 6

42 = 8 * 6 - 6

42 / 2 = 21

AM = 3 x + 3

AM = 3 * 6 + 3

21 = 3 * 6 + 3

x = 6

AB = 42

AM = 21

Hope this helps!