tex]...

May 2022 1 9 Report

Решите систему уравнений способом cложения:
[tex]\left \{ {{3x-5y=23} \atop {2x+3y=9}} \right.[/tex]

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$\left \{ {{3x-5y=23|*(-2)} \atop {2x+3y=9|*3}} \right. \\\left \{ {{-6x+10y=-46} \atop {6x+9y=27}} \right. +\\-6x+6x+10y+9y=-46+27;19y=-19\Rghtarrow y=-1\\3x-5y=23;3x+5=23;3x=18\Rightarrow x=6$

Ответ: (6;-1).

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Verified answer

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situaciya ty hochesh pozvonit druguchtoby sprosit domashnee zadaniyaa trubku beryo

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