Question

x+100=200+300

Answer 1

x + 100 = 200 + 300

x + 100 = 500

x          = 500 - 100

x         = 400

 Vậy x = 400

Answer 2

x + 100 = 200 + 300

x + 100 = 500

x = 500 - 100

x = 400

Answer 3

x + 100 = 200 + 300

x + 100 = 500

          x = 500 - 100

           x = 400

Answer 4

x + 100 = 200 + 300

x + 100 = 500

        x = 500 - 100 

        x = 400

+

Answer 5

x+100=200+300

x+100=500

x=500-100

x=400

Answer 6

x+100=500

x=500-100

x=400

Answer 7

x+ 100 = 200 + 300 

=> x+ 100 = 500 

=> x= 400 

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