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Cramer rule this questions slove

3x+2y=12
X-4y=-10

1 answer

D =
|3 2|
|1 -4| = -14

Dx =
|12 2|
|-10 -4| = -28

Dy =
|3 12|
|1 -10| = -42

x = Dx/D = 2
y = Dy/D = 3
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