из системы уравнений найдите y
[tex] \left \{ {{2y^2-7xy=6} \atop {2y-7x=3}} \right. [/tex]
[tex] \left \{ {{2y^2-7xy=6} \atop {2y-7x=3}} \right. [/tex]
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2у-7х=3
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у(2у-7х)=6
2у-7х=3
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у*3=6
у=2