Question

( x + 2859 ) x 2 = 5830 x 2

Answer 1

=>x+2859=5830

=>x=2971

Answer 2

Answer 3

( x + 2859 ) x 2 = 5830 x 2

Vì cả 2 bên đều nhân thêm 2

=> x + 2859 = 5830

=> x = 2971

Answer 4

( x + 2859 ) x 2 = 5830 x 2

( x + 2859 ) x 2 = 11660

x+2859=11660:2

x+2859=5830

x=5830-2859

x=2971