If AB=4x+20, and BC=6x-30, then x=?

points A, B, C are collinear with B the midpiont of AC
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If AB=4x+20, and BC=6x-30, then x=?

points A, B, C are collinear with B the midpiont of AC

AB = BC because they are colinear and b is the midpoint.

4x + 20 = 6x -30

50 = 2x

25 = x
by Level 10 User (55.7k points)

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