
1.5.47 Systems of Algebraic Equations
Condition: Find the general solution of the system of equations by the Gauss: \ [\ Left \ {\ Begin {Array} {l} x_ {1} -2 x_ {2} -2 x_ {3}+x_ {4} = 1 \\ 2 x_ {1} +4 +4 +4 +4 x_ {2} -x_ {3}+x_ {4} = 1 \\ x_ {1} -x_ {2}+x_ {3} -2 x_ {4} = 4 \ end {arry} \ 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.