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praim11com
@praim11com
June 2022
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Реши систему уравнений способом алгебраического сложения.
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bus171
2х + у +2 х -у =1+6
4х=7
х=7/4 = 1 3/4= 1,75
у=1 - 2х=1-14/4= -10/4 =- 2 1/2= -2,5
Ответ: х = 1,75; у = - 2,5
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Answers & Comments
4х=7
х=7/4 = 1 3/4= 1,75
у=1 - 2х=1-14/4= -10/4 =- 2 1/2= -2,5
Ответ: х = 1,75; у = - 2,5