Question

how to augmented matrices
x+y+z=0
x-y+z=2
x-y-z=10

Answer 1

its just a matter of keeping track of adding and multiplying. at times it can be a pain by hand

Answer 2

the wolf can give you an answer if you need a double check; just enter

rref{{1,1,1,0},{1,-1,1,2},{1,-1,-1,10}}

thats just pulling off all the coeffs from the rows listed

Answer 3

what is the wolf

Answer 4

http://www.wolframalpha.com/input/?i=rref%7B%7B1%2C1%2C1%2C0%7D%2C%7B1%2C-1%2C1%2C2%7D%2C%7B1%2C-1%2C-1%2C10%7D%7D

Answer 5

thanks for that link :)

Answer 6

:) the wolf is an online math genuis