Level:
Project ID:
9000019907
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
The augmented matrix of a system of three equations with
three unknowns is row equivalent with the following matrix
\(A'\). Find
the solution of the system.
\[
A' = \left(\begin{array}{ccc|c}
1 & 2 & 4 & 0\\
0 & 2 & 7 & 7\\
0 & 0 & 7 & 35
\end{array}\right)
\]
\([8;-14;5]\)
\([-62;21;5]\)
\([8;14;-5]\)
\([-22;-21;5]\)