Question

5) Solve by Cramer's rule 8x + 3y = 2 ; y + 3z = 7 ; 2x + 2z = 8​

Answer 1

By Cramer's Rule ,

x = 1

y = -2

z = 3

x = D1/D

y = D2/D

z = D3/D

D = 34

D1 = 34

D2 = -68

D3 = 102