Question

x + 400 = 500 - 100

x + 10 = 50

Answer 1

a)x+400=500-100

 x+400=400

 x=400-400

 x=0

b)x+10=50

  x=50-10

  x=40

Answer 2

x + 400 = 500 - 100

x + 400 = 400

          x = 400 - 400

          x = 0

x + 10 = 50

        x = 50 -10

        x = 40

Answer 3

x+400=500-100

x+400=400

x       =400-400

x       =0

x+10=50

x     =50-10

x     =40

tk mk nha

Answer 4

x + 400 = 500 - 100

x + 400 = 400

x          = 400 - 400

x          = 0

x + 10 = 50

x         = 50 - 10

x         = 40

Answer 5

x + 400=500-100

x + 400=400

x=400-400

x=0

x+10=50

x=50-10

x=40

Anh em đi thả cá chép đi!!

Answer 6

X+400=500-100

X+400=400

X=400-400

X=0

X+10=50

X=50-10

X=40

Answer 7

x  +  400  =  500  -  100

x  +  400  =     400

          x   =   400 - 400

          x   =        0

x  +  10  =  50

         x  =  50  -  10

         x  =     40

Happy new year ! Chúc bn luôn vui vẻ nhé !

Answer 8

x + 400 = 500 - 100

x + 400 = 400

           x = 400 - 400

           x = 0

x + 10 = 50

         x = 50 - 40

          x = 10

k mk nha ^_^

Answer 9

x + 400 = 500 - 100

x + 400  =    400

x           = 400 - 400

x          = 0

Answer 10

x+400=500-100

=> x+400=400

=> x=0

x+10=50

=>x=50-10

=> x=40