ulrichsk8ter
New member
- Joined
- Oct 8, 2007
- Messages
- 18
alright my honors algebra 2 teacher didnt feel like teaching today so she said learn it yourself. so heres my problem. i got 3 of them done but this one is tricky:
x+y-z=-1
x+y+z=3
3x-2y-z=-4
someone told me first solve for x using substitution they y and eventually z but i couldnt come up with the answer the book lists as (0,1,2) im really terrible in algebra abut i have a 97 in trig so.....yah plz helps and dont say show any work casue my work is scribble scrabble and i just dont know what to do.
x+y-z=-1
x+y+z=3
3x-2y-z=-4
someone told me first solve for x using substitution they y and eventually z but i couldnt come up with the answer the book lists as (0,1,2) im really terrible in algebra abut i have a 97 in trig so.....yah plz helps and dont say show any work casue my work is scribble scrabble and i just dont know what to do.