Question

From x + y - z take away - x - y + z​

Answer 1

Answer:

answer is 0

Step-by-step explanation:

if you cancel + and - the anwer is 0

Answer 2

Answer:

2(x+y)

Step-by-step explanation:

=(x+y-z)-(-x-y+z)

=x+y-z+x+y-z

=2x+2y

=2(x+y)