Решите систему методом сложения. { 4x+3y=6, 4x−3y=18 В ответе укажите значен...

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Решите систему методом сложения.
{ 4x+3y=6,
4x−3y=18

В ответе укажите значение суммы решений x+y.

Answers & Comments

Avantgardе

$\displaystyle\begin{cases}4x+3y=6\\4x-3y=18\end{cases}\Longleftrightarrow\;\;\;\;\begin{cases}8x=24\\4x+3y=6\end{cases}\\\\\\8x=24\\\\x=\frac{24}8\\\\x=3\\\\4x+3y=6\\4\cdot3+3y=6\\12+3y=6\\3y=6-12\\3y=-6\\y=-\frac63\\\\y=-2$

x + y = 3 + (-2) = 3 - 2 = 1

Ответ: 1

4 votes Thanks 3

20=????...

Answer

coolyana123 July 2022 | 0 Ответы

reshite sistemu metodom slozheniya 5x7y50 6x7y17 v otvete ukazhite zna21296f14891af090bebafae6568e3d87 17096

Answer

coolyana123 July 2022 | 0 Ответы

ukazhite varianty otvetov v kotoryh ne s prichastiyami pishetsya razdelno zapishite4207ae81260955eda16587c117251538 18971

Answer

coolyana123 July 2022 | 0 Ответы

najti h i u srochno pozhalujsta

Answer

coolyana123 June 2022 | 0 Ответы

zadajte obshie i specialnye voprosy k predlozheniyam my friend draw funny picture

Answer

coolyana123 March 2022 | 0 Ответы

ukazhite variant otveta v kotorom ne s prichastiyami pishetsya slitno zapishite nome

Answer

Answers & Comments

20=????...

reshite sistemu metodom slozheniya 5x7y50 6x7y17 v otvete ukazhite zna21296f14891af090bebafae6568e3d87 17096

ukazhite varianty otvetov v kotoryh ne s prichastiyami pishetsya razdelno zapishite4207ae81260955eda16587c117251538 18971

najti h i u srochno pozhalujsta

zadajte obshie i specialnye voprosy k predlozheniyam my friend draw funny picture

reshite uravnenie xx5x 250

reshenie pliz srochno9df6a70311519996b8ab6ac7cc0f1e75 46060

najti znachenie vyrazheniya drobi

reshenie pozhalujsta srochnoa8987cd5743e86eaa6296f81679ba324 45160

ukazhite variant otveta v kotorom ne s prichastiyami pishetsya slitno zapishite nome

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