Question

x - 400 = 500 + 700

Answer 1

x - 400 = 500 + 700

x - 400 = 1200

x = 1200 + 400

x = 1600

Answer 2

x - 400 = 500 + 700

x - 400 = 1200

x         = 1200 + 400

x          = 1600

Vậy x = 1600

Answer 3

x - 400 = 500 + 700

x - 400 =1200

x        = 1200 + 400

 x       = 1600

Answer 4

x  -  400  =  500  +  700

x  -  400  =      1200

         x   =  1200  -  400

         x   =     800

Happy new year !

Answer 5

\(x-400=500+700\)

\(x-400=1200\)

             \(x=1200+400\)

             \(x=1600\)

Answer 6

x-400=500+700

x-400=1200

x       =1200+400

x        =1600

Answer 7

x - 400 = 500 + 700

x - 400 = 1200

x         = 1200 - 400

x         = 800

Answer 8

x - 400 = 500 + 700

x - 400 = 1200

          x = 1200 + 400

          x = 1600

Answer 9

x - 400 = 500 + 700

x - 400 = 1200

x         = 1200 + 400

x         = 1600

Answer 10

x = 1600

Answer 11

x - 400 = 500 + 700

x - 400 = 1200

x         = 1200+ 400

x         = 1600

vậy x = 1600

chúc bạn học tốt ^ _ ^

Answer 12

\(x-400=500+700\)

\(x-400=1200\)

             \(x=1200+400\)

             \(x=1600\)

Answer 13

x - 400 = 500 + 700.

x - 400 = 1200.

        x = 1200 + 400.

        x = 1600.

Kích mình nhé!!!

Answer 14

X= 1600

Answer 15

x-400=500+700

x-400=1200

x      =1200+400

x      =1600