Question

plz sir explain in steps​

Answer 1

Answer:

1st Step:

(3x - 2y + 4z) + (7y - 2z)

3x - 2y + 4z + 7y - 2z

3x - 2y + 7y + 4z - 2z

3x + 5y + 2z

2nd Step:-

( 3x + 5y + 2z) - ( x - 3y - z)

3x + 5y + 2z - x + 3y + z

3x - x + 5y + 3y + 2z + z

2x + 8y + 3z

Hope it helps you ✌️

Please, mark me as a Brainliest....

Answer 2

Answer:

(3x-2y+4z)+(7y-2z)-(x-3y-z)

=3x-2y+4z+7y-2z-x+3y+z

= 3x-x-2y+7y+3y+4z-2z+z

= 2x+8y+3z