х + 53 = 128
х = 128 - 53
х = 75
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Проверка: 75 + 53 = 128
128 = 128
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Verified answer
х + 53 = 128
х = 128 - 53
х = 75
- - - - - - - - - - - - - - - - - - - -
Проверка: 75 + 53 = 128
128 = 128