Question

x+520=520-250

Answer 1

x+520= 520-250

x+520=270

x=-250

đáp số -250

Answer 2

x+520=270

x=270-520

x=-250

Answer 3

x + 520  = 270

x = 270 - 520

x =- 250 

k minh nha

Answer 4

x + 520 = 520 - 250

x + 520 = 270

x          = 270 - 520

x          = - 250

Answer 5

\(x+520=520-250\)

\(x+520=270\)

             \(x=270-520\)

             \(x=-250\)

Answer 6

=-250

k nha

Answer 7

x + 520 =520-250

=>x+520=270

=>x        = 270-520

=>x         =-250

Answer 8

x + 520 = 270

x           = 270 - 520

x           = -250

Answer 9

x+520=270

x=270—520

x=—250

Answer 10

x+520=520-250

x+520=270

x=270-520

x=-250

Vậy x=-250