Уравнение ++++++++++++++

Question

Уравнение ++++++++++++++

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Answer 1

375 - (х - 218) = 123
375 - х + 218 = 123
593 - х = 123
х = 593 - 123
х = 470

Answer 2

375-123=х-218
375-123+218=х
470=х