Question

Tìm x

a) x + 200 = 600 + 100

b) x - 600 = 400 + 600

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Answer 1

x + 200 = 600 + 100 

x + 200 =700

x = 700 - 200 

x=500

x - 600 = 400 + 600

x - 600 = 1000

x = 1000 + 600

x = 1600

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Answer 2

a] x bằng 500

b] x bằng 1600

Answer 3

a) x+200=700

x=700-200

x=500

b) x-600=1000

x=1000+600

x=1600

Answer 4

Tìm x

a) x + 200 = 600 + 100

x + 200 = 700

x = 700 - 200

x = 500

b) x - 600 = 400 + 600

x - 600 = 1000

x = 1000 + 600

x = 1600