16-12-2020
Mathematics

contestada

B is between A and C. If AB = 2x + 1, BC = x, and AC = 22. Find AB.

Respuesta :

devishri1977 devishri1977

16-12-2020

Answer:

15

Step-by-step explanation:

AB + BC = AC

2x + 1 + x = 22

3x + 1 = 22

3x = 22 -1

3x = 21

x = 21/3

x = 7

AB = 2*7 +1

= 14 + 1

= 15

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