Rezolvați sistemele: 13(2x+y)-2(x+y-3)=4' Rezolvați sistemele: d) (2(2x-3y+1)=3(3x-4y+5)+4 (2(x-3y+1)-3(2x-y+2)+7=1 (4(x-y-2)-3(3x+2y-3)=21 3(x+2y-1)-4(x-y+2)+5=15' (2(x-2y-1)-3(x+2y-4)-7=15' b) d) [2(2x-y+5)-3(x-3y+2)=-12 4(2x-3y+4)-3(3x-2y+3)=21 D) 14(2x-y+2)-3(x-2y-5)-7=32 ; b) (3(x-2y-2)-2(2x+y-4)+9=-15 (2(-2x-y+3)-3(-x+3y-4)+5=-8 4(x+2y+3)-3(2x+y+5)+7=23 c) (3(x-3y+2)+2(-x+2y-5)=-11 4(3x-2y-3)-5(2x-3y-4)=28 d) (2(4x-3y+7)-3(2x-y+4)=-3 3(2x+y-5)+2(-x-y+3)=2 Rezolvați sistemele: 2(x-y-4)-3(2x-y+5)=-18 (3(x-y+6)-2(3x-2y+4)=-15 C) (3(2x+2y+5)+2(2x-4y-7)=-13 (2(3x+y-2)-3(x+4y-3)=-19 ; b) d) 3(x+2y-1)-2(2x+4y-5)=-1 (3(2x+y+5)-2(4x+3y+7)=3 2(2x-3y+5)-3(3x-3y+4)=-11' 3(2x+3y-4)-2(2x+4y-9)=12 ​