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A, B and C are collinear points. B is between A and C. AB=12 BC=18 AC=3x Find X.
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A, B and C are collinear points. B is between A and C. AB=12 BC=18 AC=3x Find X.

User Andrew Skirrow
by
5.4k points

1 Answer

2 votes

Answer:


x =10

Explanation:

Given


AB = 12


BC = 18


AC = 3x

Required

Solve for x

Since B is in between both points, then:


AC = AB + BC

This gives


3x = 12 + 18


3x = 30

Divide by 3


x =10

User Ryan Tenney
by
5.4k points
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