Решите систему уравнений

 left { {{2 x^{2} +3y^2=11|*(-2)} atop {4 x^{2} +6y^2=11x}} right.  left { {{-4 x^{2} -6y^2=-22} atop {4 x^{2} +6y^2=11x}} right.  left { {{0=-22+11x} atop {2 x^{2} +3y^2=11}} right.  left { {{11x=22} atop {2 x^{2} +3y^2=11}} right.

 left { {{x=22:11} atop {2 x^{2} +3y^2=11}} right.  left { {{x=2} atop {2*2^2+3y^2=11}} right.  left { {{x=2} atop {3y^2=11-8}} right.  left { {{x=2} atop {y^2=3:3}} right.  left { {{x=2} atop {y^2=1}} right.  left { {{x=2} atop {y= frac{+}{} 1}} right.


 left { {{(x+6y)^2=7y} atop {(x+6y)^2=7x|*(-1)}} right. left { {{(x+6y)^2=7y} atop {-(x+6y)^2=-7x} right.  left { {{0=7y-7x} atop {(x+6y)^2=7y}} right.  left { {{7x=7y} atop {(x+6y)^2=7y}} right.  left { {{x=y} atop {(x+6x)^2=7x}} right.

left { {{x=y} atop {(7x)^2=7x}} right.left { {{x=y} atop {49x^2=7x}} right. left { {{x=y} atop {49x^2-7x=0}} right.  left { {{x=y} atop {7x(7x-1)=0}} right.

x=y
x=0
x= frac{1}{7}

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