Question

[trieu phuong anh]

x + 10 = 50 - 30 

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Answer 1

[phamthiminhtrang]

x + 10 = 50 - 30

x + 10 = 20

x        = 20 - 10

x         = 10

Answer 2

[trieu phuong anh]

x + 10 = 50  - 30 

x + 10 = 20

x = 20 - 10

x = 10