Asked by Janelle
solve using Cramer's rule
3x+2y=-3
2x+3y=8
3x+2y=-3
2x+3y=8
Answers
Answered by
Steve
D =
|3 2|
|2 3| = 5
Dx =
|-3 2|
|8 3| = -25
Dy =
|3 -3|
|2 8| = 30
x = Dx/D = -26/5 = -5
y = Dy/D = 30/5 = 6
|3 2|
|2 3| = 5
Dx =
|-3 2|
|8 3| = -25
Dy =
|3 -3|
|2 8| = 30
x = Dx/D = -26/5 = -5
y = Dy/D = 30/5 = 6
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