Question

subtract 2x+y-z from the sum of 9x -7y +8z and -8x +9y -7z​

Answer 1

Answer:

9x - 7y + 8z + (-8x + 9y - 7z)

x +2y + z

2x + y - z - (x + 2y + z)

2x + y - z - x - 2y - z

x - y - 2z

Please make my answer brainliest

Answer 2

Step-by-step explanation:

x-y-2z THiS IS YOUR ANSWER