3x3 equation solver

Enter the coefficients for the three equations:

a1·x + a2·y + a3·z = a4
b1·x + b2·y + b3·z = b4
c1·x + c2·y + c3·z = c4

a1 = , a2 = , a3 = , a4 = .

b1 = , b2 = , b3 = , b4 = .

c1 = , c2 = , c3 = , c4 = .