Question

x + 100 = 400 + 300

Tk mk mk tk lai

Answer 1

x + 100 = 700

x =700-100

x=600

Answer 2

x + 100 = 400 + 300

x + 100 = 700

       x   = 700 - 100

       x   = 600

k nha ^^

Answer 3

x + 100 = 400 + 300

x + 100 = 700

         x = 700 - 100

         x =600

Tk mk mk tk lai

Answer 4

x+100=400+300

x+100=700

       x =700-100

       x =  600

Vay x =  600

Answer 5

x + 100 = + 400 + 300

            x = 400 + 300 - 100 

            x = 700 - 100

            x = 600

Answer 6

x + 100 = 400 + 300

x + 100 =      700

         x = 700 - 100

          x = 600

Answer 7

x + 100 = 400 + 300

x + 100 = 700

x = 700 - 100

x = 600

Answer 8

x + 100 = 400 + 300

x + 100 = 700

x = 700 - 100

x = 600

Tk mk nha

Mk cảm ơn bạn nhiều

Thank you very much 

( ^ _ ^ ) 

Answer 9

x= 100 = 400 + 300 

x+ 100 = 700 

=> X= 600