Solution

Elementary Linear algebra

Chapter 1.2

Exercise 30

row reduced echelon form of the matrix:

x1​=a−3c​,x2​=a−2b​,x3​=−a+2b​+3c​

Answer

The solution is

$$x_1 = a-\frac{c}{3}, x_2 = a-\frac{b}{2}, x_3 = -a+\frac{b}{2}+\frac{c}{3}$$