. . .4x -.. .y =..2

. . .4x + 2y = -3

I determined the determinant to be 12. Is that right?

Then I put x equal to:

. . .|..2. .-1 |

. . .| -3. ..2 |

. . .----------

. . . . .12

This led to (4 - 3) / 12. Then I put y equal to:

. . .| 4. ..2 |

. . .| 4. .-3 |

. . .----------

. . . . .12

This led to 20 / 12.

Am I totally on the wrong track?

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*Edited by stapel -- Reason for edit: restoring formatting*