SOLUTION: how do i solve; 3x-6y+5z=2 3x+3y-z=5 5x+6y+5z=-6

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Question 569766: how do i solve;
3x-6y+5z=2
3x+3y-z=5
5x+6y+5z=-6

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
how do i solve;
3x-6y+5z=2
3x+3y-z=5
5x+6y+5z=-6
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There are several ways.
I prefer determinants.
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Elimination would work well for these. Multiply the 2nd eqn by 2 and eliminate the y terms.

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