Предмет: Алгебра, автор: pp117987

Прошу вас помочь
{x=10y
{ 2x+3y=46​

Ответы

Автор ответа: Trey55
2

Ответ:

(20;2).

Объяснение:

{x=10y

{2x+3y=46​

1) 20у+3у = 46

23у = 46

у = 2

2) х = 10*2 = 20

Автор ответа: OblivionFire
1

\left \{ {{x=10y} \atop {2x+3y=46}} \right. \\2*10y+3y=46\\20y+3y=46;\\23y=46;\\y=46:23\\y=2;\\x=10*2=20.\\----------\\\left \{ {{x=20} \atop {y=2}} \right.

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