Question

x + 400 = 300 + 200 

Answer 1

x + 400 = 300 + 200

x + 400 = 500

x = 500 - 400

x = 100 

Answer 2

x+400=300+200

x+400=500

x=500-400

x=100

k mk nhé,thank nhìu

Answer 3

x+400=300+200

x+400=500

x=100

Answer 4

x + 400 = 300 + 200

x + 400 = 500

x          = 500 - 400

x          = 100