Вопрос школьника по предмету Математика
Знайдіть число протилежне корінь рівняння:9х-7=6х+14
Ответ учителя по предмету Математика
Ответ:9х — 7 = 6х + 14
9х — 6х = 14 + 7
3х = 21
х = 21 : 3
х = 7
Противоположным числу 7 является число -7.
Ответ: -7.
Знайдіть число протилежне корінь рівняння:9х-7=6х+14
Ответ:9х — 7 = 6х + 14
9х — 6х = 14 + 7
3х = 21
х = 21 : 3
х = 7
Противоположным числу 7 является число -7.
Ответ: -7.
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