Try another version of this question Write the system of equations as an augmented matrix. `{(-6r,-,7d,+,m,=,-188),(-2r,+,2d,-,5m,=,-98),(2r,+,6d,+,m,=,138):}` Box 1: Enter each element of the matrix as number (like 5, -3, 2.2)
`[(-6,-7,1,-188),(-2,2,-5,-98),(2,6,1,138)]`