Question

x + 500 = 500 + 70

 

Answer 1

x + 500 = 570

x = 570 - 500

x =70

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Answer 2

x + 500 = 500 + 70

x + 500 = 570

           x = 570 - 500

            x = 70

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Answer 3

x = 70

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Answer 4

x + 500 = 500 + 70

x = 500 + 70 - 500

x = 70

 Vậy x = 70

Answer 5

x + 500 = 500 + 70

x + 500 = 570

x = 570 - 500

x = 70

Answer 6

x + 500 = 500 + 70

x + 500 = 570

x          = 570 - 500

x          = 70

Answer 7

x + 500 = 500 + 70

x + 500 = 570

x = 570 - 500

x = 70

Answer 8

x+500=500+70

x+500=570

x=570-500

x=70

Answer 9

x + 500 = 500 + 70

x + 500 = 570

x = 570 - 500

x = 70

Answer 10

x+500=500+70

x+500=570

x=570-500

x=70

Answer 11

x + 500 = 500 + 70

x + 500 = 570

x           = 570 - 500

x           = 70