Algebra

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Question

  1. Solve the system of equations by method of elimination. Solve all the way through.

x + 5y + 3z = 2

2x – 3y – z = 0

3x + 2y + 2z = 2

  1. Evaluate the determinant by method of expansion by cofactors.

| 1 4 -3 |

| 3 -1 3 |

| 1 1 6 |