Question

x + 50 - 30 = 520

Answer 1

500 nha bạn

Answer 2

X+50-30=520

X+50=520+30

X+50=550

X=550-50

X=500

Answer 3

x + 50 - 30 = 520

x + 50       = 520 + 30

x + 50       = 550

x              = 550 - 50

x              = 500

Vậy x = 500

ai k mik mik k lại

Answer 4

x + 50 = 520 - 30

x + 50 = 490

x = 490 - 50

x = 440

k nha ban mk k lai cho

Answer 5

x + 50 = 520 + 30

x + 50 = 550

x         = 550 - 50

x         = 500 

Đúng 100 %

Answer 6

x+50-30=520

x+50=520+30

x+50=550

x=550-50

x=500

nhớ k mik nha. thanks

Answer 7

x + 50 - 30 = 520

x + 50        = 520 + 30

x + 50        = 550

x                = 550 - 50

x                = 500

Answer 8

x+50-30=520

x+50=520+30

x+50=550

x=550-50

x=500

Answer 9

¦hat xin loi mk tinh mham !!!!!!!!!!!!!!!

Answer 10

x + 50 - 30 = 520

x + 50 = 520 + 30

x+50 = 550

x=550-50

x=500

T I C K nhá!

Answer 11

X + 50 - 30 = 520

x + 50         =520+ 30

x + 50         = 550

x                = 550 - 50

x               = 500

Answer 12

x=500 nha bạn!

tk mk nha!!!

Answer 13

x + 50 - 30 = 520

      x + 20 = 520

              x = 520 - 20 = 500