Вопрос школьника по предмету Математика
5. Какая из пар чисел (4; 6), (6; 2) является решением
уравнения 3х + y=20? [2]
ПЖ
Ответ учителя по предмету Математика
Ответ:
(6; 2)
Пошаговое объяснение:
3х + у=20
3 * 6 + 2=20
т.к.
3 * 6=18
18+2=20
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Напишите только правильно, пожалуйста.
(-5x-3)(2x-1)=0