Question

Solve the following system of equations.

x + 3y – z = 2
x – 2y + 3z = 7
x + 2y – 5z = –21

(2, 3, 5)

(–2, 3, 5)

(2, –3, 5)

(2, 3, –5)

Answer 1

So what answer did you come up with....I can try to check if it's right or wrong.

Answer 2

easy method is to check which answer works