Question

[Pham Trong Bach]

Tìm x:

x − 17 2 − − 3 7 + 5 3 = − 1 3

Answer 1

[Cao Minh Tâm]

x − 17 2 − − 3 7 + 5 3 = − 1 3 x − 17 2 + 3 7 − 5 3 = − 1 3 x − 357 42 + 18 42 − 60 42 = − 1 3                              x − 315 42 = − 1 3                                 x − 15 2 = − 1 3                                           x = − 1 3 + 15 2                                           x = − 2 + 45 6                                           x = 43 6