Find the value of x and AB if B is between A and C, AB = 2x, AC = 6x - 5 , BC = 7

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10-10-2017
Mathematics

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Find the value of x and AB if B is between A and C, AB = 2x, AC = 6x - 5 , BC = 7

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harpazo harpazo · Answer 1 · 2017-10-10T17:42:05+02:00

harpazo harpazo

10-10-2017

We have AB + BC = AC.

2x + 7 = 6x - 5

2x - 6x = - 5 - 7

-4x = -12

x = -12/-4

x = 3

We both know that x is 3.

We also want AB.

AB = 2x

AB = 2(3)

AB = 6

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