1.5.49 Systems of Algebraic Equations
Condition: Solve the system of linear equations with the help of Kramer formulas: \ [\ left \ {\ begin {array} {l} 6 x_ {1} +3 x_ {3} =-9 \\ -2 x_ {1} -2 x_ {2} +6 x_ {3} = 4 \\ 5 x_ {1} -x_ {2} -x_ {3} =-14 \ end {array} \ right. \]
Solving Systems of Algebraic Equations by the Methods of Gauss, Jordan-Gauss, Cramer and Using the Inverse Matrix. Homogeneous and non-Homogeneous Systems of Equations.