Question

Find A,find B and solve the system using the inverse that is given for the coefficient matrix

Answer 1

Given the question in the image, the following are the solution steps to answer the question.

STEP 1: Write the given equations

`\begin{gathered} w-x+2y=-4 \\ x-y+z=4 \\ -w+x-y+z=-3 \\ -x+y-2z=2 \end{gathered}`

STEP 2: Find the determinant

Determinant is giv