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July 2022
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25 баллов
Решить систему линейных уравнений
у=2х+5
у+2(х+1)=3
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Answers & Comments
ShirokovP
Verified answer
Y = 2x + 5
y = - 2x + 1
2x + 5 = - 2x + 1
2x + 2x = 1 - 5
4x = - 4
x = - 1
y = 2(-1) + 5 = 5 - 2 = 3
ОТВЕТ
( - 1; 3)
2 votes
Thanks 2
ShirokovP
обнови решение
ShirokovP
там было неверно
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Answers & Comments
Verified answer
Y = 2x + 5y = - 2x + 1
2x + 5 = - 2x + 1
2x + 2x = 1 - 5
4x = - 4
x = - 1
y = 2(-1) + 5 = 5 - 2 = 3
ОТВЕТ
( - 1; 3)