Question

Solve the following equations by using Cramer’s rule

(i) x + y + z = 6, 2x + 3y – z = 5, 6x – 2y – 3z = -7 

(ii) x + 4y + 3z = 2, 2x – 6y + 6z = -3, 5x – 2y + 3z = -5

Answer 1

i. x + y + z = 6, 2x + 3y - z = 5, 6x - 2y - 3z = -7