Question

x+2y=1;2x-3y=12 (by carmer's rule)​

Answer 1

Step-by-step explanation:

solutions:

x+2y=1;2x-3y=12

D=[1/2. 2/-3]=-3-4

D =-7

Dx [1/12. 2/-3]=-3-24

Dx =-27

Dy [1/2. 1/12]=12-2

Dy=10

By using the carmer rule

X=Dx

D

=-27

-7

=27

7 therefore X =27

7

Y=Dy

D

Y=10

7