Question

[Pham Trong Bach]

2 điểm) Tìm x :

a) x + 86 = 144

b) 570 : x = 5

Answer 1

[Cao Minh Tâm]

a) x + 86 = 144

             x = 144 – 86

             x = 58

b) 570 : x = 5

              x = 570 : 5

              x = 144