Question

x+2y=-1
2x-3y=12
solve by cramers rule ​

Answer 1

Answer:

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Answer 2

x+2y=-1

2x-3y=12

solve by cramers rule ​

x+2y=-1

2x-3y=12

Solve using substitution.

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x = -2y-1

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Substitute for "x" and solve for "y":

2(-2y-1) - 3y = 12

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-4y -2 -3y = 12

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-7y = 14

y = -2

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Solve for "x":

x = -2y-1

x = -2*-2-1

x = 3

---------n.