Question

Solve the following system of equations.

2x – y + z = –3
2x + 2y + 3z = 2
3x – 3y – z = –4
Answer
(1, 3, –2)

(1, 3, 2)

(1, –3, 2)

(–1, 3, 2)

Answer 1

do u guys know

Answer 2

jus put in the values nd check which one satisfies equation if u want it to be quick ....

else subtact =n 1 & 2 ...
x will b eliminated
frm 1 .. x=( y-z-3)/2

put in 3 nd solve the linear equations in y nd z

find y nd z put in 1 nd get x :)