Question

Solve by using Crammer’s rule 3x-2y=5 , x-3y=-3​

Answer 1

A N S W E R :

• See Attachment !!

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Answer 2

Answer:

3x−2y=

2

5

;

3

1

x+3y=−

3

4

D=

∣

∣

∣

∣

∣

∣

∣

3

3

1

−2

3

∣

∣

∣

∣

∣

∣

∣

=9+

3

2

=

3

20

D

x

=

∣

∣

∣

∣

∣

∣

∣

∣

2

5

3

−4

−2

3

∣

∣

∣

∣

∣

∣

∣

∣

=

2

5

−

3

8

=

6

29

D

y

=

∣

∣

∣

∣

∣

∣

∣

∣

3

3

1

2

5

3

−4

∣

∣

∣

∣

∣

∣

∣

∣

=−4−

6

5

=

6

−29

x=

D

D

x

=

3

29

6

29

=

2

1

y=

D

D

y

=

3

29

6

−29

=

2

−1

(x,y)=(

2

1

,

2

−1

)