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$�� 192. �� :1) {y-x=0, 2x+y=-6}; 2) {x+y=-1, 2x+2y=-3};3) {x^2-y=6, x+y=6}; 4) {(x+2)^2+y^2=10, x-y+4=0};5) {xy=8, x+y=-6}; 6)...$

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192. �� :

1) {y-x=0, 2x+y=-6}; 2) {x+y=-1, 2x+2y=-3};

3) {x^2-y=6, x+y=6}; 4) {(x+2)^2+y^2=10, x-y+4=0};

5) {xy=8, x+y=-6}; 6) {x^2+y^2=13, xy=6}.

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