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X+4y=8 2x-5y=29 Answer please
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X+4y=8 2x-5y=29
Answer please

User YoungMin Park
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\left \{ {x+4y=8\ \ \atop {2x-5y=29\ \ \ \ \ \ \ \ \ \ \ \ \ \ }} \right. \\\\ \left \{ {{-2x-8y=-16} \atop {2x-5y=29}} \right. \\+-----\\ add\ both\ equations\\\\ -13y=13\ \ \ | divide\ by \ -13\\\\ y=-1\\\\ x=8-4y=8-4(-1)=8+4=12\\\\ x=12
User Sphinxxx
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