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16. Rezolvați sistemele:
(5(x+1)+ 7 = 3(y – 5)+ y + 3
a)
|(x+y)(x - y) = (x+1)2 – (y-2)23
(2(x + y + 5) – 3(x - y -2)=13
b)
3(2x+y+4) + 2(3x +2y+5) =_93


16 Rezolvați Sistemele 5x1 7 3y 5 Y 3 A Xyx Y X12 Y223 2x Y 5 3x Y 213 B 32xy4 23x 2y5 93 class=