Solve the System of Equations by Using the Inverse of the Coefficient

question 107

Multiple Choice

Solve the system of equations by using the inverse of the coefficient matrix.
- $\begin{array}{rr}x-2 y+3 z & =3 \\y-z+w & =-6 \\-2 x+2 y-2 z+4 w & =-18 \\2 y-3 z+w & =-10\end{array}$

• A) \( (-2,3,3,-6) \)
• B) \( (-2,2,3,-5) \)
• C) \( (-3,2,4,-5) \)
• D) \( (-1,1,2,-4) \)

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