plz tell me the anwer

Dear Student,

L e t t h e u n k n o w n r a t i o n a l n u m b e r b e x A c c o r d i n g t o t h e q u e s t i o n, x + \frac{- 6}{13} = \frac{5}{26} x = \frac{5}{26} + \frac{6}{13} = \frac{5 + 12}{26} = \frac{17}{26}

Regards