Write the system of linear equations represented by the augmented matrix. Then use back-substitution to solve. (Use variables x, y, and z.) $\left[ \begin{array} { c c c : c }
1 & 8 & 9 & - 33 \
0 & 1 & - 1 & 2 \
0 & 0 & 1 & - 3
\end{array} \right]$
A)x = 43, y = -5, z = -4
B)x = -1, y = 2, z = -3
C)x = 2, y = 1, z = 3
D)x = 2, y = -1, z = -3
E)x = 1, y = -3, z = -2

Question

Write the system of linear equations represented by the augmented matrix. Then use back-substitution to solve. (Use variables x, y, and z.) $\left[ \begin{array} { c c c : c } 
1 & 8 & 9 & - 33 \
0 & 1 & - 1 & 2 \
0 & 0 & 1 & - 3
\end{array} \right]$
A)x = 43, y = -5, z = -4
B)x = -1, y = 2, z = -3
C)x = 2, y = 1, z = 3
D)x = 2, y = -1, z = -3
E)x = 1, y = -3, z = -2

Quizplus · Accepted Answer

The Answer of Write the system of linear equations represented by the augmented matrix. Then use back-substitution to solve. (Use variables x, y, and z.) $\left[ \begin{array} { c c c : c } 
1 & 8 & 9 & - 33 \
0 & 1 & - 1 & 2 \
0 & 0 & 1 & - 3
\end{array} \right]$
A)x = 43, y = -5, z = -4
B)x = -1, y = 2, z = -3
C)x = 2, y = 1, z = 3
D)x = 2, y = -1, z = -3
E)x = 1, y = -3, z = -2

Write the System of Linear Equations Represented by the Augmented [189−3301−12001−3]\left[ \begin{array} { c c c : c } 1 & 8 & 9 & - 33 \\0 & 1 & - 1 & 2 \\0 & 0 & 1 & - 3\end{array} \right]​100​810​9−11​−332−3​​

Write the System of Linear Equations Represented by the Augmented $\left[ \begin{array} { c c c : c } 1 & 8 & 9 & - 33 \\0 & 1 & - 1 & 2 \\0 & 0 & 1 & - 3\end{array} \right]$