Question

A, B , and C are collinear points: B is between A and C. If AB = 36, BC = 5x - 9 , and AC = 54 , find x

Answer 1

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Answer:

x = 5.4

Explanation:

The segment sum theorem tells you ...

AB +BC = AC

36 +(5x -9) = 54

5x = 27 . . . . . . . . . . . subtract 27 from both sides

x = 5.4 . . . . . . . . . . divide by 5