a1 = Val(Text1)
a2 = Val(Text2)
a3 = Val(Text3)
b1 = Val(Text4)
b2 = Val(Text5)
b3 = Val(Text6)
c1 = Val(Text7)
c2 = Val(Text8)
c3 = Val(Text9)
a4 = 1
a5 = 0
a6 = 0
b4 = 0
b5 = 1
b6 = 0
c4 = 0
c5 = 0
c6 = 1
If a1 = 0 Then
MsgBox "ERROR NO TIENE INVERSA"
Text1 = ""
Text2 = ""
Text3 = ""
Text4 = ""
Text5 = ""
Text6 = ""
Text7 = ""
Text8 = ""
Text9 = ""
Text1.SetFocus
Else
X1 = a1 / a1
X2 = a2 / a1
X3 = a3 / a1
X4 = 1 / a1
X5 = 0
X6 = 0
Y1 = b1 - b1 * X1
Y2 = b2 - b1 * X2
Y3 = b3 - b1 * X3
Y4 = 0 - b1 * X4
Y5 = 1 - b1 * X5
Y6 = 0 - b1 * X6
Z1 = c1 - c1 * X1
Z2 = c2 - c1 * X2
Z3 = c3 - c1 * X3
Z4 = 0 - c1 * X4
Z5 = 0 - c1 * X5
Z6 = 1 - c1 * X6
If X1 = 0 Or Y2 = 0 Or Z3 = 0 Then
MsgBox "ERROR NO TIENE INVERSA"
Text1 = ""
Text2 = ""
Text3 = ""
Text4 = ""
Text5 = ""
Text6 = ""
Text7 = ""
Text8 = ""
Text9 = ""
Text1.SetFocus
Else
E1 = Y1 / Y2
E2 = Y2 / Y2
E3 = Y3 / Y2
E4 = Y4 / Y2
E5 = Y5 / Y2
E6 = Y6 / Y2
D1 = X1 - X2 * E1
D2 = X2 - X2 * E2
D3 = X3 - X2 * E3
D4 = X4 - X2 * E4
D5 = X5 - X2 * E5
D6 = X6 - X2 * E6
F1 = Z1 - Z2 * E1
F2 = Z2 - Z2 * E2
F3 = Z3 - Z2 * E3
F4 = Z4 - Z2 * E4
F5 = Z5 - Z2 * E5
F6 = Z6 - Z2 * E6
If D1 = 0 Or E2 = 0 Or F3 = 0 Then
MsgBox "ERROR NO TIENE INVERSA"
Text1 = ""
Text2 = ""
Text3 = ""
Text4 = ""
Text5 = ""
Text6 = ""
Text7 = ""
Text8 = ""
Text9 = ""
Text1.SetFocus
Else
I1 = F1 / F3
I2 = F2 / F3
I3 = F3 / F3
I4 = F4 / F3
I5 = F5 / F3
I6 = F6 / F3
G1 = D1 - D3 * I1
G2 = D2 - D3 * I2
G3 = D3 - D3 * I3
G4 = D4 - D3 * I4
G5 = D5 - D3 * I5
G6 = D6 - D3 * I6
H1 = E1 - E3 * I1
H2 = E2 - E3 * I2
H3 = E3 - E3 * I3
H4 = E4 - E3 * I4
H5 = E5 - E3 * I5
H6 = E6 - E3 * I6
Text10 = CStr(G4)
Text11 = CStr(G5)
Text12 = CStr(G6)
Text13 = CStr(H4)
Text14 = CStr(H5)
Text15 = CStr(H6)
Text16 = CStr(I4)
Text17 = CStr(I5)
Text18 = CStr(I6)
End If
End If
End If


End Sub

Private Sub Command2_Click()
Text1 = ""
Text2 = ""
Text3 = ""
Text4 = ""
Text5 = ""
Text6 = ""
Text7 = ""
Text8 = ""
Text9 = ""
Text10 = ""
Text11 = ""
Text12 = ""
Text13 = ""
Text14 = ""
Text15 = ""
Text16 = ""
Text17 = ""
Text18 = ""
Text1.SetFocus
End Sub