Question

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x + 90 = 90 + 30

Answer 1

[Aino Megumi ll Cure Lovely]

x + 90 = 90 + 30

x + 90 = 120

x         = 120 - 90

x         = 30

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Answer 2

[phamthiminhtrang]

x + 90 = 90  + 30

x + 90 = 120

x         = 120 - 90

x         = 30