Atps

ABCDA
2(I1-I3)+2I1-10+4(I1-I2)=0
2I1-2I3+2I1-10+4I1-4I2=0
8I1-4I2-2I3=10 (/2)
4I1-2I2-1I3=5
CDEFC
4I2-4I1=3I2+I2+2I2-2I3=0
-4I1+10I2-2I3=0(/2)
-2I1+5I2-1I3=0
AFGHA
3I3+3I3+2I3-2I1+2I3-2I2-4=0
-2I1-2I2+10I3=4(/2)
-1I1-1I2+5I3=2

4 -2 -1 5
-2 5 -1 0
-1 -1 5 2

Calculando a determinante: ETAPA 3 PASSO 3

4-2 -1 4 2
-25 -1 -2 5
-1-1 5 -1 1
-5-4-20+100-2-2= 67

Calculando I1

5-2 -1 5 -2
0 5 -1 0 5 10-5+125+4=134 DI=DI/D= 134/67=2
2-1 5 2 -1

CALCULANDO I2 45 -1 4 5
-20 5 -2 0 8+50+5+4=67 DI=DI/D = 67/67=1
-12 5 -1 2

CALCULANDO I3

4-2 5 4 -2
-28 0 -2 5 25-8+40+10=67 DI=DI/D = 67/67=1
-1-1 2 -1 -1

ETAPA4 PASSO 3
4 -2 -1 5
-2 5 -1 0
-1 -1 5 2

4 -2 -1 5 +3 1 -5 14 11 *2 1 -5 14 11 *1 1 -5 14 11
-2 5 -1 0 -2 5 -1 0 +2 0 -5 27 22 0 -5 27 22 +1
-1 -1 5 2 *3 -1 -1 5 2 -1 -1 5 2 +1 0 -6 19 13 (-1)

1-5 14 11 1 -5 14 11 +5 1 0 54 56 1 0 5456 1 0 54 56 +54
01 8 9*60 1 8 9 *5 0 1 8 9 0 1 8 9-8 0 1 0 1
0-6 19 13 +6 0 0 67 67 0 0 67 67/670 0 1 1 *8 0 0 1 1 (-54)

Resultado;
10 0 2
01 0 1
00 1 1
I1= = 2
I2 = 1
I3 = 1
4I1-2I1-I3=5 4*2-2*1-1=5 5=5
-2I1+5I2-1=0 -4+5-1=0 0=0
-I1-I2+5I3=2 -3+5=2