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15. Rezolvați sistemele: 2x-y 3y = 10 x-3y_y-2=3 11 6 5 a) ; b) x+3y 2x+1 y-3 +2x=-7 =3 5 7 3 x-y x+y -=x+y =1-y-x 3 2 c) ; d) 2x-12y+1 = = 0 7 3 3 x+y 1 y-x == 42 2 5 Perely​

15 Rezolvați Sistemele 2xy 3y 10 X3yy23 11 6 5 A B X3y 2x1 Y3 2x7 3 5 7 3 Xy Xy Xy 1yx 3 2 C D 2x12y1 0 7 3 3 Xy 1 Yx 42 2 5 Perely class=

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