Реши систему уравнений способом алгебраического сложения.
{x−5t=5
{4x−10t=36
Смотреть ответ Sputnichek Sputnichek

Ответ:

x = 13

t = 1.6

Объяснение:

x - 5t = 5 | *-2

4x - 10t = 36

-2x + 10t = -10

+

4x - 10t = 36

--------------------------

2x = 26 | :2

x = 13

-5t = -8 | :-5

t = 1.6

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