Please I need help and I don’t have a lot of time

Question

asked Aug 21, 2021 187k views

1 Answer

Arlind · Answer 1 · 2021-08-25T01:55:59+0000

Answer: B.

Explanation:

[ x, y, z | ?]

1x + 2y - 1z = 8

-1x + 0y + 3z = 15

1x - 2y + 4z = 18

Just plug the numbers into the variables to see which equation works.