Вопрос задан 18.06.2023 в 05:05. Предмет Алгебра. Спрашивает Энконов Артём.

Реши систему: {x=9+v x−2v+1=4 Ответ: x= ;v= .

Посмотреть ответы Спасибо) не за что )) topovyjcel29 topovyjcel29 Ответ: 9+v-2v+1=4 v=6 x=9+6 x=15 (v;x)=(6;15) {15=9+6 {15-2*6+1=4 Объяснение: вот ну как вам ? если где то ошибся то поправьте . А так же если вы плохо понимаете алгебру скачайте photomatch там всё решат за вас и всё обьяснят Zombynella Zombynella Ответ: В решении. Объяснение: Реши систему: x = 9 + v x − 2v + 1 = 4 1) х через v в первом уравнении уже выражено, подставить выражение во второе уравнение и вычислить v: 9 + v - 2v + 1 = 4 -v = 4 - 10 -v = - 6 v = 6; 2) Вычислить х: x = 9 + v х = 9 + 6 х = 15. Решение системы уравнений: (15; 6). )) хорошая работа , всё понятно . Новые вопросы в Алгебра 1.Установіть відповідність між рівнянням (1-4) та твердженням про його корені (А-Д). 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Давайте решим данную систему уравнений:

\[ \begin{cases} x = 9 + v \\ x - 2v + 1 = 4 \end{cases} \]

Сначала подставим выражение \(x = 9 + v\) во второе уравнение:

\[ (9 + v) - 2v + 1 = 4 \]

Теперь решим уравнение относительно переменной \(v\):

\[ 9 + v - 2v + 1 = 4 \]

Сгруппируем переменные:

\[ -v + 10 = 4 \]

Выразим \(v\):

\[ -v = 4 - 10 \]

\[ -v = -6 \]

Умножим обе стороны на -1:

\[ v = 6 \]

Теперь, когда мы найдем \(v\), подставим его обратно в первое уравнение:

\[ x = 9 + 6 \]

\[ x = 15 \]

Таким образом, решение системы уравнений:

\[ \begin{cases} x = 15 \\ v = 6 \end{cases} \]

Используя ваши символы, можно записать ответ так: \( (v; x) = (6; 15) \).

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