Question

Solve the following system of equations.
4x – 3y + z = –9
x + 2y + 2z = 5
x – 2y + 3z = –2

Answer 1

have you used the elimination method before with 2 equations?

Answer 2

Subtract equations 2 and 3.

Answer 3

then do what?

Answer 4

Keep reducing the equations.

Answer 5

how?
i tried to solve it 5 times but i keep getting the wrong answers..

Answer 6

these are my choices..
(1, 1, –10)

(1, 2, –7)

(–1, 2, 1)

(–1, 1, 0)

Answer 7

ave you used the elimination method before with 2 equations?