Решите систему уравнений: [tex] \left \{ {{5x-2y=11} \atop {4x-y=4}} \right. [/tex]. Created by nastyaazakirova. algebra-ru

tex]...

July 2022 1 16 Report

Решите систему уравнений:
[tex] \left \{ {{5x-2y=11} \atop {4x-y=4}} \right. [/tex]

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wangross $\left \{ {5x-2y=11} \atop {4x-y=4}} \right. \\ \\ \left \{ {{5x-2y=11} \atop {y=4x-4}} \right. \\ \\ 5x-2(4x-4)=11 \\ 5x-8x+8=11 \\ -3x=3 \\ x=-1 \\ \\ y=4*(-1)-4=-4-4=-8$

Ответ: $(-1;-8)$

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nastyaazakirova July 2022 | 0 Ответы

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