Use an inverse matrix to solve each system of linear equations. (a) x₁ + 2x₂ + x3 = -2 X₁ + 2x2x3 = -4 x12x₂ + x3 = 2 (X1, X2, X3) = (b) x₁ + 2x₂ + x3 = 1 X1 + 2x2x3 = 1 X1 2x2 + x3 = -3 (X1, X2, X3) =

Use an inverse matrix to solve each system of linear equations. (a) x1 + 2x2 + X3 = X1 + 2x2 - X3 X1 – 2x2 + X3 = -2 4 %D (X1, X2, X3) = (b) x1 + 2x2 + X3 1 X1 + 2x2 – x3 X1 - 2x2 + X3 1 = -3 (X1, X2, X3) =

4. 225

Rewrite the following system of linear equations as (a) a vector equation and (b) an augmented matrix. (c) Find and write the solution in general form. -I1 + X2 3x1 I1 + 2x2 + 5х3 + 3х4 6x3 3x4 4x3 + X4 2 = 6 0 =