Question

[DannySuper]

x + 100 = 500 + 200

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Answer 1

[Aino Megumi ll Cure Lovely]

x + 100 = 500 + 200

x + 100 = 700

         x  = 700 - 100

         x  = 600

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Answer 2

[DannySuper]

x + 100 = 500 + 200

x + 100 = 700 

x          = 700 - 100

x          = 600