Write the system of linear equations in the form Ax ×2 + X3 -3×1 - 2x1 + 4x2 - 5x3 = -6 = 12 ×1 - 2x2 + 3x3 = -5 ☐ ☐ 1 B- XX X1 X3 = b. Then use Gaussian elimination to solve this matrix equation for x. = 12 62 5 同 -5

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