Enable text based alternatives for graph display and drawing entry

Try another version of this question

Solve the system of equations by graphing:

`{(-2 x+ y=1),(-4 x+8 y=-16):}`

Solution =

123456-1-2-3-4-5-6123456-1-2-3-4-5-6
Clear All Draw: LineParabolaAbsolute valueCircleDot