Question

x + 20 = 90

Answer 1

x + 20 = 90

      x = 90 - 20 

      x= 70

Answer 2

=70 nhé kb nhé

Answer 3

x+20=90

x=90-20

x=70

Answer 4

x + 20 = 90 

x = 90 - 20 

x = 70

ai tk mk 

mk k lai cho

Answer 5

= 70 nha bạn

Answer 6

\(x+20=90\)

           \(x=90-20\)

           \(x=70\)

Vậy \(x=70\)

Answer 7

x + 20 = 90 

x  = 90 - 20 

x =70

ai k minh minh k lai cho

Answer 8

x + 20 = 90
x         =90 - 20

x         = 70

Answer 9

x+20=90

    x = 90-20

    x = 70

Answer 10

x + 20 = 90

       x = 90 - 20

       x = 70

Answer 11

x + 20 = 90

        x = 90 - 20

        x = 70

Answer 12

x + 20 = 90 

        x = 90 - 20

        x = 70

Answer 13

x + 20 = 90

x = 90 - 20

x = 70

Answer 14

x + 20 = 90

x = 90 - 20

x = 70

Vậy x = 70

Answer 15

x+20=90

->x=90-20

->x=70

Vậy x=70