Enable text based alternatives for graph display and drawing entry

Try Another Version of This Question

Write the augmented matrix as a system of equations
`[(-5,-1,-4,150),(6,1,3,400),(6,1,4,200)]`

`x` + `y` + `z =`

`x` + `y` + `z =`

`x` + `y` + `z =`

Get help: