Question
Write the given system of equations as a matrix equation and solve by using inverses.
3x1 - X2
20x, - 5x2 - X3 = k2
4x1
= k,
%3D
- X3 = kg
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Math
Algebra

Equations and In-equations

Transcribed Image Text

Write the given system of equations as a matrix equation and solve by using inverses. 3x1 - X2 20x, - 5x2 - X3 = k2 4x1 = k, %3D - X3 = kg