1. Решите способом подстановки систему уравнений
[tex] \left \{ {{xy=10} \atop {x=2y+1}} \right. [/tex]
2. Решите систему уравнений
a) [tex] \left \{ {{ x^{2}+ y^{2} = 17} \atop {x+4y=0}} \right. [/tex]
б) [tex] \left \{ {{x+3y=11} \atop {2x+ y^{2}=14 } \right. [/tex]
[tex] \left \{ {{xy=10} \atop {x=2y+1}} \right. [/tex]
2. Решите систему уравнений
a) [tex] \left \{ {{ x^{2}+ y^{2} = 17} \atop {x+4y=0}} \right. [/tex]
б) [tex] \left \{ {{x+3y=11} \atop {2x+ y^{2}=14 } \right. [/tex]
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