Try another version of this question Write the system of equations as an augmented matrix. `{(-6z,+,7n,-,7u,=,-22),(2z,+,7n,-,6u,=,94),(-3z,-,n,+,5u,=,1):}` Box 1: Enter each element of the matrix as number (like 5, -3, 2.2)
`[(-6,7,-7,-22),(2,7,-6,94),(-3,-1,5,1)]`