I) 20 = 8x1 + 3x2

30 = 12x2 + 6x3

10 = x1 + 10x3

II) 2x1 + x2 + 5x3 = 1

2x1 + 2x2 + 2x3 = 1

4x1 + x2 = 2

III) x1 + x2 x3 = 3

6x1 + 2x2 + 2x3 = 2

3x1 + 4x2 + x3 = 1

Use Jacobis Method to solve the system of equations. Start with a vector of 1s as initial approximation, = 104 . It is recommended that you use Excel