Question

Add : x + y + z, X - Y - Z
1) 2x + 2y + 2z
2) 2x
3) y + z
4) x

With explained answer.​

Answer 1

Answer:

1) 2x+2y+2z

Step-by-step explanation:

- × - = + so

-x-z = x+y

so

ans is

1)

Answer 2

there is no answer

the answer is x square - y square - z square 2zy