Question

Solve the following system of linear equations by the elementary row operations: 5

+ 2 − 2 − = 0

2 + 5 − 3 − = 1

3 + 8 − 4 − = 2

+ 5 + + 2 = 3​

Answer 1

+ 2 − 2 − = 0

2 + 5 − 3 − = 1

3 + 8 − 4 − = 2

+ 5 + + 2 = 3