02.04.2022

|7-y|=-2 помогите пожалуйста

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Математика

Вопрос школьника по предмету Математика

|7-y|=-2 помогите пожалуйста

Ответ учителя по предмету Математика

| 7 — у |= -2

| — у | = -2 — 7

| — у | = -9

у = -9

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