Question

(13x-12²):5

tìm x

mong mn giúp e ạ

Answer 1

(13x-12²):5=5

13x-12² = 5 . 5 

13x-12² = 25

       13x = 25 + 12²

       13x = 169

            x = 169 : 13

            x = 13

Vậy x = 13 

Answer 2

cảm ơn bn nhìuuu

 

Answer 3

(13x-12^2):5=5

=)) (13 x- 12^2) =5×5

=)) (13×-12^2)= 25

=))13 x = 25+144

=)) x = 169:13

=))x= 13