Try another version of this question Write the system of equations as an augmented matrix. `{(-3d,+,2z,-,u,=,-34),(-7d,-,3z,-,u,=,-140),(-7d,-,z,+,6u,=,-36):}` Box 1: Enter each element of the matrix as number (like 5, -3, 2.2)
`[(-3,2,-1,-34),(-7,-3,-1,-140),(-7,-1,6,-36)]`