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Tarea 5

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Tarea 5

  1. 1. Tarea 5Método por eliminación comprobación 4(5)+2(3)=26 20+6=26 26=264x+2y=26 2(5)+3(3)=192x+3y=19 10+9=194x+2y=26 19=192(2x+3y=19)4x+2y=264x+6y=384x+2y=26-4x-6y=38 =-12 y=3 -4y=12-4x+2(3)=264x+6=264x=26-64x=2020 =5 x=5
  2. 2. 4 1Método de igualación Comprobación 2-3x-2y=-11 -3(1)-2(4)=-11Y=-11+3x=-10-6x -3-8=11 -2 -4 -11=-11-4(-11+3x)=-2(-10-6)-44-12x=+20+12x-12x-12x=-20+444x=124/24=x=1Y=-11+3(1) -2Y=-11+3=-8/-2 y=4 -2Comprobación 16-4(4)=-106-16=-10-10=-10
  3. 3. Tarea 6 Método de igualación2x+2y=14 Comprobación 18x+2y=16 8(2)+2(0)=164-2x 16-8x 16+0=16 3 2 6x-4y=-102(4-2x)=3(16-8x) 16=168-4x=48-24x Comprobación 2-4x+24x=48-8 2(2)+3(0)=420x=40 4+0=4X=40 x=2 4=4 20 Y=4-2(2)
  4. 4. 3Y=4-4 3 Y=0 y=0 3 Método por sustitución3x+2y=-1x+3(-2 )=-5X+3y=-5x+3(2)=-5 X=-5+63x+2y=-1 x=1 x=13x=-1-2y 1X=-1-2y comprobación 1 3 3(1)+2(-2)=-1X+3y=-5 3-4=-1(-1-2y)+3y-5 3 -1=-1 3-1-2y+9y-15 comprobación 2
  5. 5. -2y+9y-15+1 1+3(-2)=-57=-14 1+-6=-5Y=-14 -5=-5 7 Y=-2Método por eliminación6x+3y=83x+5y=201)6x+2y=82(3x+5y=20)6x+2y=86x+10=40 12=48Y=48 24 12 y=4
  6. 6. 12 6 13Comprobación 1 comprobación 260(0)+2(4)=20 3(0)+5(4)=200+20=20 0+20=200+20=20 20=2020=20

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