Предмет: Математика, автор: Аноним

690:(48-x)+50=73
решите пожалуйста

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Автор ответа: Маррат

0

690:(48-x)+50=73
690:(48-x)=73-50
690:(48-x)=23
690:23=48-х
30=48-х
х=48-30
х=18

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