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Points A, B and C are collinear . Point B is between A andSolve for given the following

Points A, B and C are collinear . Point B is between A andSolve for given the following-example-1

1 Answer

4 votes

Answer:


x = 7

Explanation:

Given


AC = 3x +3


AB = -1+2x\\


BC =11

Required

Find x

We have:


AC = AB + BC

So, we have:


3x + 3 = -1 + 2x + 11

Collect like terms


3x - 2x = -1 + 11 - 3


x = 7

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