This section contains the answers to the linear equations question in section 3.6.2.
1. x1 = 2, x2 = 1
2. x1 = 0.4, x2 = 2
3. x1 = -0.5, x2 = 5
4. x1 = 2, x2 = 1
5. x1 = -0.15, x2 = 310.6
6. x1 = 5, x2 = -3, x3 = 2
7. x1 = -3.27, x2 = 14.25, x3 = 17.52, x4 = -18.50, x5 = -1.95