Question

Using determinants solve:
3x + 5y - 7z = 13
4x + y - 12z = 6
2x + 9y - 32 = 20​

Answer 1

To solve :

               3x+5y-7z=13

                4x+y-12z=6

                 2x+9y-3z=20   Using determinant

solution:

I had presented in the photos

Answer 2

here is your ryt answer in above pics

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