Enable text based alternatives for graph display and drawing entry

Try another version of this question

Solve the System. Give answer as `(x,y,z)`.

`5 x+4 y-6 z=3`

`10 x-4 y-4 z=22`

`-20 x-4 y-5 z=56`

`(x,y,z)=(`,,`)`

X
MathQuill
   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
[more..]