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24 4. Rezolvați sistemele: a) [2(3x+1)-3y+5=10 4x+3(2y-1)+7=30 [4(3x-1)+3y-7=-26 (5x-3(3y-5)+6=-16' b) c) (3(3x-2)-5y+6=17, 5x-2(2y+3)+8=9 [2(4x-3)-3y+8=-28 7x-3(2y+1)+9=-27​