Найти натуральные значения m и n,если. Created by Vladprotskij. matematika-ru

{3m+2n-17=6{m+3n-9=8 {3m+2n=23{m+3n=17Умножим второе уравнение на (- 3){3m+2n=23{-3m-9n=-51Сложим эти уравнения3m+2n-3m-9n=23-51- 7n = - 28n = (-28) : (-7)n = 4В уравнение m+3n=17 подставим n = 4.m + 3*4 = 17m + 12 = 17m = 17 - 12m = 5 Ответ: n = 4; m = 5 Всё понятно? Реклама Реклама Новые вопросы в Математика 5 класс страница 75 номер 192 5 класс страница 75 номер 192 226 какое натуральное число надо записать в место буквы, чтобы было верным равенство Прошу умоляю помогите пожалуйста срочно помогите, пж 4. Имеется контур квадрата со стороной 20см, его разрезали на две группы равных отрезков из трёх и четырёх отрезков. Какую длину имеют эти отрезки? На … йти все возможные ответы. 12 6. Üçrəqəmli ədədin soluna 6 yazdıqdan sonra alınan ədədin minliklər sinfindəki vahidlərin sayı təkliklər sinfindəki vahidlərin sayından 118 vahid … az olur. Əvvəlki ədədi rum rəqəmləri ilə yazın C) CXXXIV A) CXXVI D) CXXIV B) CXIV E) CXVI 13 замість зірочки запису 24*11 поставити таку цифру зоб отримати число кратне 3(всі можливі випадки) і росписати відповідь Помогите дам 70 баллов! Срочно! Математика 7 класс просто Пжпжпжпжпжпжпжжпжпжпжп Предыдущий Следующий Реклама - это не так уж плохо Реклама - это не так уж плохо Понимаем - вы пришли сюда не за рекламой. Но она помогает нам предоставлять бесплатный доступ к Знаниям. Пожалуйста, внесите наш сайт в список разрешенных. ОК, разблокирую рекламу на Знаниях! Вместе мы знаем больше Этот сайт использует cookies Политика Cookies . Вы можете указать условия хранения и доступ к cookies в своем браузере. 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Найти натуральные значения m и n,если...

Vladprotskij @Vladprotskij

September 2021 1 19 Report

Найти натуральные значения m и n,если

Answers & Comments

kolobok1431 $\frac{ ( x^{3} y)^{m} ( x^{2} y^{3} )^{n} }{ x^{17} y^{9} } = x^{6} y^{8}$
$x^{3m+2n-17} y^{m+3n-9}= x^{6} y^{8}$

{3m+2n-17=6
{m+3n-9=8

{3m+2n=23
{m+3n=17
Умножим второе уравнение на (- 3)
{3m+2n=23
{-3m-9n=-51
Сложим эти уравнения
3m+2n-3m-9n=23-51
- 7n = - 28
n = (-28) : (-7)
n = 4

В уравнение m+3n=17 подставим n = 4.
m + 3*4 = 17
m + 12 = 17
m = 17 - 12
m = 5
Ответ: n = 4; m = 5