Solve by using crammers rule
3x-2y=5, x-3y=-3
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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
)
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