Try another version of this question Write the system of equations as an augmented matrix. `{(-6u,+,5b,-,z,=,-48),(7u,-,5b,+,z,=,68),(-2u,-,4b,-,6z,=,-220):}` Box 1: Enter each element of the matrix as number (like 5, -3, 2.2)
`[(-6,5,-1,-48),(7,-5,1,68),(-2,-4,-6,-220)]`