Question

If BD = 7x - 10, BC = 4x – 29, and CD = 5x – 9,
find BC

Answer 1

x = 14

Explanation:

7x - 10 = 4x - 29 + 5x - 9

7x - 10 = 9x -38

- 10 = 2x - 38

28 = 2x

x = 14